42885807928 has 32 divisors (see below), whose sum is σ = 85516074000. Its totient is φ = 20092636672.

The previous prime is 42885807883. The next prime is 42885807931. The reversal of 42885807928 is 82970858824.

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, 663703 + ... + 725446.

Almost surely, 2^42885807928 is an apocalyptic number.

It is an amenable number.

42885807928 is a deficient number, since it is larger than the sum of its proper divisors (42630266072).

42885807928 is a wasteful number, since it uses less digits than its factorization.

42885807928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389399 (or 1389395 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 42885807928 in words is "forty-two billion, eight hundred eighty-five million, eight hundred seven thousand, nine hundred twenty-eight".