3940125615 has 48 divisors (see below), whose sum is σ = 7339314528. Its totient is φ = 1948243968.

The previous prime is 3940125613. The next prime is 3940125643. The reversal of 3940125615 is 5165210493.

3940125615 is a `hidden beast` number, since 3 + 94 + 0 + 1 + 2 + 561 + 5 = 666.

It is not a de Polignac number, because 3940125615 - 2¹ = 3940125613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3940125615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940125611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12819 + ... + 89691.

It is an arithmetic number, because the mean of its divisors is an integer number (152902386).

Almost surely, 2^3940125615 is an apocalyptic number.

3940125615 is a deficient number, since it is larger than the sum of its proper divisors (3399188913).

3940125615 is a wasteful number, since it uses less digits than its factorization.

3940125615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76968 (or 76965 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3940125615 is about 62770.4199046016. The cubic root of 3940125615 is about 1579.4408125062.

The spelling of 3940125615 in words is "three billion, nine hundred forty million, one hundred twenty-five thousand, six hundred fifteen".