39490275372 has 12 divisors (see below), whose sum is σ = 92143975896. Its totient is φ = 13163425120.

The previous prime is 39490275361. The next prime is 39490275397. The reversal of 39490275372 is 27357209493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 1645428129 + ... + 1645428152.

It is an arithmetic number, because the mean of its divisors is an integer number (7678664658).

Almost surely, 2^39490275372 is an apocalyptic number.

It is an amenable number.

39490275372 is an abundant number, since it is smaller than the sum of its proper divisors (52653700524).

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

39490275372 is a wasteful number, since it uses less digits than its factorization.

39490275372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290856288 (or 3290856286 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 39490275372 in words is "thirty-nine billion, four hundred ninety million, two hundred seventy-five thousand, three hundred seventy-two".