3125443290 has 32 divisors (see below), whose sum is σ = 7506812160. Its totient is φ = 832812864.

The previous prime is 3125443289. The next prime is 3125443331. The reversal of 3125443290 is 923445213.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556 + ... + 79064.

It is an arithmetic number, because the mean of its divisors is an integer number (234587880).

Almost surely, 2^3125443290 is an apocalyptic number.

3125443290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3125443290 is an abundant number, since it is smaller than the sum of its proper divisors (4381368870).

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

3125443290 is a wasteful number, since it uses less digits than its factorization.

3125443290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79846.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3125443290 is about 55905.6642031914. The cubic root of 3125443290 is about 1462.0779958552.

The spelling of 3125443290 in words is "three billion, one hundred twenty-five million, four hundred forty-three thousand, two hundred ninety".