Search a number
-
+
240204451440 = 24351000851881
BaseRepresentation
bin1101111110110101001…
…1010000111001110000
3211222000021001102122110
43133231103100321300
512413414314421230
6302203131005320
723232330102102
oct3375523207160
9758007042573
10240204451440
1192963172678
123a677b99840
1319860856c05
14b8a98ad572
1563acd944b0
hex37ed4d0e70

240204451440 has 40 divisors (see below), whose sum is σ = 744633800208. Its totient is φ = 64054520320.

The previous prime is 240204451427. The next prime is 240204451453. The reversal of 240204451440 is 44154402042.

240204451440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240204451427) and next prime (240204451453).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 240204451398 and 240204451407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500425701 + ... + 500426180.

Almost surely, 2240204451440 is an apocalyptic number.

240204451440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240204451440 is an abundant number, since it is smaller than the sum of its proper divisors (504429348768).

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

240204451440 is a wasteful number, since it uses less digits than its factorization.

240204451440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000851897 (or 1000851891 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 240204451440 its reverse (44154402042), we get a palindrome (284358853482).

The spelling of 240204451440 in words is "two hundred forty billion, two hundred four million, four hundred fifty-one thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1000851881 2001703762 3002555643 4003407524 5004259405 6005111286 8006815048 10008518810 12010222572 15012778215 16013630096 20017037620 24020445144 30025556430 40034075240 48040890288 60051112860 80068150480 120102225720 240204451440