3112493890 has 48 divisors (see below), whose sum is σ = 6259208760. Its totient is φ = 1113235200.

The previous prime is 3112493843. The next prime is 3112493959. The reversal of 3112493890 is 983942113.

It can be written as a sum of positive squares in 4 ways, for example, as 2568158329 + 544335561 = 50677^2 + 23331^2 .

It is a Smith number, since the sum of its digits (40) 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 23 ways as a sum of consecutive naturals, for example, 52726 + ... + 94894.

Almost surely, 2^3112493890 is an apocalyptic number.

3112493890 is an abundant number, since it is smaller than the sum of its proper divisors (3146714870).

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

3112493890 is a wasteful number, since it uses less digits than its factorization.

3112493890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42259 (or 42248 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3112493890 is about 55789.7292518973. The cubic root of 3112493890 is about 1460.0559636395.

The spelling of 3112493890 in words is "three billion, one hundred twelve million, four hundred ninety-three thousand, eight hundred ninety".