3157815090 has 16 divisors (see below), whose sum is σ = 7578756288. Its totient is φ = 842084016.

The previous prime is 3157815053. The next prime is 3157815091. The reversal of 3157815090 is 905187513.

It is a super-2 number, since 2×3157815090² = 19943592285263416200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3157815091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52630222 + ... + 52630281.

It is an arithmetic number, because the mean of its divisors is an integer number (473672268).

Almost surely, 2^3157815090 is an apocalyptic number.

3157815090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3157815090 is an abundant number, since it is smaller than the sum of its proper divisors (4420941198).

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

3157815090 is a wasteful number, since it uses less digits than its factorization.

3157815090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105260513.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 3157815090 is about 56194.4400274618. The cubic root of 3157815090 is about 1467.1084953880.

The spelling of 3157815090 in words is "three billion, one hundred fifty-seven million, eight hundred fifteen thousand, ninety".