40629624064 has 36 divisors (see below), whose sum is σ = 82475154720. Its totient is φ = 19970485760.

The previous prime is 40629623989. The next prime is 40629624107. The reversal of 40629624064 is 46042692604.

40629624064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40629624064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329892 + ... + 1360099.

It is an arithmetic number, because the mean of its divisors is an integer number (2290976520).

Almost surely, 2^40629624064 is an apocalyptic number.

It is an amenable number.

40629624064 is an abundant number, since it is smaller than the sum of its proper divisors (41845530656).

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

40629624064 is an equidigital number, since it uses as much as digits as its factorization.

40629624064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690066 (or 2690052 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 40629624064 in words is "forty billion, six hundred twenty-nine million, six hundred twenty-four thousand, sixty-four".