1042685808 has 40 divisors (see below), whose sum is σ = 2707731456. Its totient is φ = 345739200.

The previous prime is 1042685771. The next prime is 1042685821. The reversal of 1042685808 is 8085862401.

It is a super-2 number, since 2×1042685808² = 2174387388409225728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042685808.

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, 47698 + ... + 66033.

Almost surely, 2^1042685808 is an apocalyptic number.

It is an amenable number.

1042685808 is an abundant number, since it is smaller than the sum of its proper divisors (1665045648).

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

1042685808 is a wasteful number, since it uses less digits than its factorization.

1042685808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113933 (or 113927 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1042685808 is about 32290.6458281652. The cubic root of 1042685808 is about 1014.0308180901.

The spelling of 1042685808 in words is "one billion, forty-two million, six hundred eighty-five thousand, eight hundred eight".