40625578632 has 16 divisors (see below), whose sum is σ = 101563946640. Its totient is φ = 13541859536.

The previous prime is 40625578601. The next prime is 40625578633. The reversal of 40625578632 is 23687552604.

It is not an unprimeable number, because it can be changed into a prime (40625578633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846366198 + ... + 846366245.

It is an arithmetic number, because the mean of its divisors is an integer number (6347746665).

Almost surely, 2^40625578632 is an apocalyptic number.

It is an amenable number.

40625578632 is an abundant number, since it is smaller than the sum of its proper divisors (60938368008).

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

40625578632 is a wasteful number, since it uses less digits than its factorization.

40625578632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692732452 (or 1692732448 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 40625578632 in words is "forty billion, six hundred twenty-five million, five hundred seventy-eight thousand, six hundred thirty-two".