39487942464 has 28 divisors (see below), whose sum is σ = 104478514944. Its totient is φ = 13162647424.

The previous prime is 39487942453. The next prime is 39487942523. The reversal of 39487942464 is 46424978493.

It is a junction number, because it is equal to n+sod(n) for n = 39487942398 and 39487942407.

It is a congruent number.

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, 102832992 + ... + 102833375.

Almost surely, 2^39487942464 is an apocalyptic number.

It is an amenable number.

39487942464 is an abundant number, since it is smaller than the sum of its proper divisors (64990572480).

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

39487942464 is a wasteful number, since it uses less digits than its factorization.

39487942464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205666382 (or 205666372 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 60.

The spelling of 39487942464 in words is "thirty-nine billion, four hundred eighty-seven million, nine hundred forty-two thousand, four hundred sixty-four".