3157405752 has 16 divisors (see below), whose sum is σ = 7893514440. Its totient is φ = 1052468576.

The previous prime is 3157405751. The next prime is 3157405759. The reversal of 3157405752 is 2575047513.

It is a happy number.

It is a super-2 number, since 2×3157405752² = 19938422165525371008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3157405752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157405751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65779263 + ... + 65779310.

Almost surely, 2^3157405752 is an apocalyptic number.

It is an amenable number.

3157405752 is an abundant number, since it is smaller than the sum of its proper divisors (4736108688).

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

3157405752 is a wasteful number, since it uses less digits than its factorization.

3157405752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131558582 (or 131558578 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 3157405752 is about 56190.7977519451. The cubic root of 3157405752 is about 1467.0451003727.

The spelling of 3157405752 in words is "three billion, one hundred fifty-seven million, four hundred five thousand, seven hundred fifty-two".