40134358818864 has 120 divisors (see below), whose sum is σ = 116989130636560. Its totient is φ = 13319699574528.

The previous prime is 40134358818847. The next prime is 40134358818877. The reversal of 40134358818864 is 46881885343104.

40134358818864 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 43 + 588 + 1 + 8 + 8 + 6 + 4 = 666.

It is a super-2 number, since 2×40134358818864² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21648127 + ... + 23428830.

Almost surely, 2^{40134358818864} is an apocalyptic number.

It is an amenable number.

40134358818864 is an abundant number, since it is smaller than the sum of its proper divisors (76854771817696).

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

40134358818864 is a wasteful number, since it uses less digits than its factorization.

40134358818864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45077209 (or 45077191 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 63.

The spelling of 40134358818864 in words is "forty trillion, one hundred thirty-four billion, three hundred fifty-eight million, eight hundred eighteen thousand, eight hundred sixty-four".