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40794269831 = 724127174929
BaseRepresentation
bin100101111111100001…
…110010100010000111
310220022000121121212122
4211333201302202013
51132021313113311
630423550440155
72642630400200
oct457741624207
9126260547778
1040794269831
1116334335797
127aa5b0305b
133b017aa203
141d8dc845a7
1510db5cb0db
hex97f872887

40794269831 has 24 divisors (see below), whose sum is σ = 48792018240. Its totient is φ = 33987340800.

The previous prime is 40794269809. The next prime is 40794269839. The reversal of 40794269831 is 13896249704.

It is a de Polignac number, because none of the positive numbers 2k-40794269831 is a prime.

It is a super-2 number, since 2×407942698312 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40794269839) 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 23 ways as a sum of consecutive naturals, for example, 506975 + ... + 581903.

It is an arithmetic number, because the mean of its divisors is an integer number (2033000760).

Almost surely, 240794269831 is an apocalyptic number.

40794269831 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40794269831 is a deficient number, since it is larger than the sum of its proper divisors (7997748409).

40794269831 is a wasteful number, since it uses less digits than its factorization.

40794269831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75255 (or 75248 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 40794269831 in words is "forty billion, seven hundred ninety-four million, two hundred sixty-nine thousand, eight hundred thirty-one".

Divisors: 1 7 41 49 271 287 1897 2009 11111 13279 74929 77777 524503 544439 3072089 3671521 20305759 21504623 142140313 150532361 832536119 994982191 5827752833 40794269831