40620625344 has 84 divisors (see below), whose sum is σ = 125387995096. Its totient is φ = 12498651648.

The previous prime is 40620625337. The next prime is 40620625363. The reversal of 40620625344 is 44352602604.

40620625344 is a `hidden beast` number, since 4 + 0 + 6 + 20 + 625 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40620625299 and 40620625308.

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 11 ways as a sum of consecutive naturals, for example, 2704894 + ... + 2719869.

Almost surely, 2^40620625344 is an apocalyptic number.

It is an amenable number.

40620625344 is an abundant number, since it is smaller than the sum of its proper divisors (84767369752).

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

40620625344 is a wasteful number, since it uses less digits than its factorization.

40620625344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424794 (or 5424781 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 40620625344 in words is "forty billion, six hundred twenty million, six hundred twenty-five thousand, three hundred forty-four".