3157506442 has 16 divisors (see below), whose sum is σ = 4811024160. Its totient is φ = 1554020208.

The previous prime is 3157506413. The next prime is 3157506467. The reversal of 3157506442 is 2446057513.

It is an unprimeable number.

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, 13392 + ... + 80587.

It is an arithmetic number, because the mean of its divisors is an integer number (300689010).

Almost surely, 2^3157506442 is an apocalyptic number.

3157506442 is a deficient number, since it is larger than the sum of its proper divisors (1653517718).

3157506442 is a wasteful number, since it uses less digits than its factorization.

3157506442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94245.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 3157506442 is about 56191.6937100138. The cubic root of 3157506442 is about 1467.0606949476.

Subtracting from 3157506442 its reverse (2446057513), we obtain a square (711448929 = 26673²).

The spelling of 3157506442 in words is "three billion, one hundred fifty-seven million, five hundred six thousand, four hundred forty-two".