390473382032 has 20 divisors (see below), whose sum is σ = 756577655916. Its totient is φ = 195227535360.

The previous prime is 390473381983. The next prime is 390473382067. The reversal of 390473382032 is 230283374093.

It can be written as a sum of positive squares in 2 ways, for example, as 66648650896 + 323824731136 = 258164^2 + 569056^2 .

It is a Smith number, since the sum of its digits (44) 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, 213569 + ... + 909152.

Almost surely, 2^390473382032 is an apocalyptic number.

It is an amenable number.

390473382032 is a deficient number, since it is larger than the sum of its proper divisors (366104273884).

390473382032 is a wasteful number, since it uses less digits than its factorization.

390473382032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144466 (or 1144460 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 390473382032 in words is "three hundred ninety billion, four hundred seventy-three million, three hundred eighty-two thousand, thirty-two".