40626625520 has 40 divisors (see below), whose sum is σ = 101722822656. Its totient is φ = 15000599808.

The previous prime is 40626625519. The next prime is 40626625537. The reversal of 40626625520 is 2552662604.

40626625520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40626625520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19530992 + ... + 19533071.

Almost surely, 2^40626625520 is an apocalyptic number.

40626625520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40626625520 is an abundant number, since it is smaller than the sum of its proper divisors (61096197136).

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

40626625520 is a wasteful number, since it uses less digits than its factorization.

40626625520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39064089 (or 39064083 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 40626625520 in words is "forty billion, six hundred twenty-six million, six hundred twenty-five thousand, five hundred twenty".