3118125640 has 64 divisors (see below), whose sum is σ = 8366664960. Its totient is φ = 1022588160.

The previous prime is 3118125623. The next prime is 3118125641. The reversal of 3118125640 is 465218113.

3118125640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3118125641) 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, 235651 + ... + 248530.

It is an arithmetic number, because the mean of its divisors is an integer number (130729140).

Almost surely, 2^3118125640 is an apocalyptic number.

It is an amenable number.

3118125640 is an abundant number, since it is smaller than the sum of its proper divisors (5248539320).

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

3118125640 is a wasteful number, since it uses less digits than its factorization.

3118125640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484222 (or 484218 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 3118125640 is about 55840.1794409724. The cubic root of 3118125640 is about 1460.9360420240.

The spelling of 3118125640 in words is "three billion, one hundred eighteen million, one hundred twenty-five thousand, six hundred forty".