39664286074 has 32 divisors (see below), whose sum is σ = 69482304000. Its totient is φ = 16974795600.

The previous prime is 39664286063. The next prime is 39664286093. The reversal of 39664286074 is 47068246693.

It is a super-2 number, since 2×39664286074² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445599 + ... + 527149.

It is an arithmetic number, because the mean of its divisors is an integer number (2171322000).

Almost surely, 2^39664286074 is an apocalyptic number.

39664286074 is a deficient number, since it is larger than the sum of its proper divisors (29818017926).

39664286074 is an equidigital number, since it uses as much as digits as its factorization.

39664286074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82283 (or 82269 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 39664286074 in words is "thirty-nine billion, six hundred sixty-four million, two hundred eighty-six thousand, seventy-four".