40642627777152 has 64 divisors (see below), whose sum is σ = 110253937104000. Its totient is φ = 13259296999424.

The previous prime is 40642627777117. The next prime is 40642627777159. The reversal of 40642627777152 is 25177772624604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×40642627777152² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40642627777159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125941277 + ... + 1125977372.

It is an arithmetic number, because the mean of its divisors is an integer number (1722717767250).

Almost surely, 2^{40642627777152} is an apocalyptic number.

It is an amenable number.

40642627777152 is an abundant number, since it is smaller than the sum of its proper divisors (69611309326848).

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

40642627777152 is a wasteful number, since it uses less digits than its factorization.

40642627777152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251918713 (or 2251918701 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 60.

The spelling of 40642627777152 in words is "forty trillion, six hundred forty-two billion, six hundred twenty-seven million, seven hundred seventy-seven thousand, one hundred fifty-two".