39995226628 has 24 divisors (see below), whose sum is σ = 80815102592. Its totient is φ = 16964100864.

The previous prime is 39995226611. The next prime is 39995226629. The reversal of 39995226628 is 82662259993.

39995226628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39995226629) 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, 7360176 + ... + 7365607.

Almost surely, 2^39995226628 is an apocalyptic number.

It is an amenable number.

39995226628 is an abundant number, since it is smaller than the sum of its proper divisors (40819875964).

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

39995226628 is a wasteful number, since it uses less digits than its factorization.

39995226628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14725891 (or 14725889 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 61.

The spelling of 39995226628 in words is "thirty-nine billion, nine hundred ninety-five million, two hundred twenty-six thousand, six hundred twenty-eight".