40135935216 has 80 divisors (see below), whose sum is σ = 112811536544. Its totient is φ = 12222185472.

The previous prime is 40135935181. The next prime is 40135935233. The reversal of 40135935216 is 61253953104.

It is a super-2 number, since 2×40135935216² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271021 + ... + 392076.

Almost surely, 2^40135935216 is an apocalyptic number.

It is an amenable number.

40135935216 is an abundant number, since it is smaller than the sum of its proper divisors (72675601328).

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

40135935216 is a wasteful number, since it uses less digits than its factorization.

40135935216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663218 (or 663212 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 40135935216 in words is "forty billion, one hundred thirty-five million, nine hundred thirty-five thousand, two hundred sixteen".