39631413980 has 24 divisors (see below), whose sum is σ = 83533087680. Its totient is φ = 15794066880.

The previous prime is 39631413961. The next prime is 39631414003. The reversal of 39631413980 is 8931413693.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650615 + ... + 3661454.

It is an arithmetic number, because the mean of its divisors is an integer number (3480545320).

Almost surely, 2^39631413980 is an apocalyptic number.

It is an amenable number.

39631413980 is an abundant number, since it is smaller than the sum of its proper divisors (43901673700).

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

39631413980 is a wasteful number, since it uses less digits than its factorization.

39631413980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312349 (or 7312347 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 39631413980 in words is "thirty-nine billion, six hundred thirty-one million, four hundred thirteen thousand, nine hundred eighty".