3156240732 has 12 divisors (see below), whose sum is σ = 7364561736. Its totient is φ = 1052080240.

The previous prime is 3156240719. The next prime is 3156240743. The reversal of 3156240732 is 2370426513.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3156240693 and 3156240702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131510019 + ... + 131510042.

It is an arithmetic number, because the mean of its divisors is an integer number (613713478).

Almost surely, 2^3156240732 is an apocalyptic number.

It is an amenable number.

3156240732 is an abundant number, since it is smaller than the sum of its proper divisors (4208321004).

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

3156240732 is a wasteful number, since it uses less digits than its factorization.

3156240732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263020068 (or 263020066 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 3156240732 is about 56180.4301514326. The cubic root of 3156240732 is about 1466.8646413427.

The spelling of 3156240732 in words is "three billion, one hundred fifty-six million, two hundred forty thousand, seven hundred thirty-two".