3157638452 has 48 divisors (see below), whose sum is σ = 5825094912. Its totient is φ = 1496152320.

The previous prime is 3157638431. The next prime is 3157638457. The reversal of 3157638452 is 2548367513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157638457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893513 + ... + 897039.

It is an arithmetic number, because the mean of its divisors is an integer number (121356144).

Almost surely, 2^3157638452 is an apocalyptic number.

It is an amenable number.

3157638452 is a deficient number, since it is larger than the sum of its proper divisors (2667456460).

3157638452 is a wasteful number, since it uses less digits than its factorization.

3157638452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3726 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 3157638452 is about 56192.8683375391. The cubic root of 3157638452 is about 1467.0811397708.

The spelling of 3157638452 in words is "three billion, one hundred fifty-seven million, six hundred thirty-eight thousand, four hundred fifty-two".