39284465856 has 56 divisors (see below), whose sum is σ = 105404131584. Its totient is φ = 12910383360.

The previous prime is 39284465809. The next prime is 39284465863. The reversal of 39284465856 is 65856448293.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 39284465856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427260 + ... + 1454523.

Almost surely, 2^39284465856 is an apocalyptic number.

It is an amenable number.

39284465856 is an abundant number, since it is smaller than the sum of its proper divisors (66119665728).

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

39284465856 is a wasteful number, since it uses less digits than its factorization.

39284465856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881869 (or 2881859 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 60.

The spelling of 39284465856 in words is "thirty-nine billion, two hundred eighty-four million, four hundred sixty-five thousand, eight hundred fifty-six".