Search a number
-
+
40220404002400 = 2552163308438681
BaseRepresentation
bin10010010010100100010101…
…11001001010111001100000
312021102000220002221102011111
421021102022321022321200
520232432341411034100
6221312555402553104
711320554051126136
oct1111221271127140
9167360802842144
1040220404002400
11118a7417574276
124616b97b08794
1319599c9ba482b
149d096c3a9756
1549b3596116ba
hex24948ae4ae60

40220404002400 has 72 divisors (see below), whose sum is σ = 98790442335144. Its totient is φ = 15989461171200.

The previous prime is 40220404002377. The next prime is 40220404002403. The reversal of 40220404002400 is 420040402204.

40220404002400 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220404002403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154088941 + ... + 154349740.

It is an arithmetic number, because the mean of its divisors is an integer number (1372089476877).

Almost surely, 240220404002400 is an apocalyptic number.

40220404002400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40220404002400 is an abundant number, since it is smaller than the sum of its proper divisors (58570038332744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40220404002400 is a wasteful number, since it uses less digits than its factorization.

40220404002400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308438864 (or 308438851 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40220404002400 its reverse (420040402204), we get a palindrome (40640444404604).

The spelling of 40220404002400 in words is "forty trillion, two hundred twenty billion, four hundred four million, two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 163 200 326 400 652 800 815 1304 1630 2608 3260 4075 5216 6520 8150 13040 16300 26080 32600 65200 130400 308438681 616877362 1233754724 1542193405 2467509448 3084386810 4935018896 6168773620 7710967025 9870037792 12337547240 15421934050 24675094480 30843868100 49350188960 50275505003 61687736200 100551010006 123375472400 201102020012 246750944800 251377525015 402204040024 502755050030 804408080048 1005510100060 1256887625075 1608816160096 2011020200120 2513775250150 4022040400240 5027550500300 8044080800480 10055101000600 20110202001200 40220404002400