Search a number
-
+
4040224240 = 245133884831
BaseRepresentation
bin1111000011010000…
…1110110111110000
3101102120101122201211
43300310032313300
531233244133430
61504524005504
7202056224263
oct36064166760
911376348654
104040224240
1117936682a8
12949090894
134c5066340
142a4824cda
15189a6d72a
hexf0d0edf0

4040224240 has 40 divisors (see below), whose sum is σ = 10116102528. Its totient is φ = 1491774720.

The previous prime is 4040224189. The next prime is 4040224273. The reversal of 4040224240 is 424220404.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941376 + ... + 1943455.

Almost surely, 24040224240 is an apocalyptic number.

4040224240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040224240 is an abundant number, since it is smaller than the sum of its proper divisors (6075878288).

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

4040224240 is a wasteful number, since it uses less digits than its factorization.

4040224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884857 (or 3884851 counting only the distinct ones).

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

The square root of 4040224240 is about 63562.7582787280. The cubic root of 4040224240 is about 1592.7043149255.

Adding to 4040224240 its reverse (424220404), we get a palindrome (4464444644).

The spelling of 4040224240 in words is "four billion, forty million, two hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 3884831 7769662 15539324 19424155 31078648 38848310 50502803 62157296 77696620 101005606 155393240 202011212 252514015 310786480 404022424 505028030 808044848 1010056060 2020112120 4040224240