439874974648 has 32 divisors (see below), whose sum is σ = 828572209920. Its totient is φ = 218923884000.

The previous prime is 439874974621. The next prime is 439874974663. The reversal of 439874974648 is 846479478934.

It is a congruent number.

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, 2272303 + ... + 2458273.

It is an arithmetic number, because the mean of its divisors is an integer number (25892881560).

Almost surely, 2^439874974648 is an apocalyptic number.

It is an amenable number.

439874974648 is a deficient number, since it is larger than the sum of its proper divisors (388697235272).

439874974648 is a wasteful number, since it uses less digits than its factorization.

439874974648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187339 (or 187335 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 73.

The spelling of 439874974648 in words is "four hundred thirty-nine billion, eight hundred seventy-four million, nine hundred seventy-four thousand, six hundred forty-eight".