3125215040 has 56 divisors (see below), whose sum is σ = 7446690720. Its totient is φ = 1249284608.

The previous prime is 3125215033. The next prime is 3125215063. The reversal of 3125215040 is 405125213.

It is a junction number, because it is equal to n+sod(n) for n = 3125214997 and 3125215015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938819 + ... + 942141.

It is an arithmetic number, because the mean of its divisors is an integer number (132976620).

Almost surely, 2^3125215040 is an apocalyptic number.

It is an amenable number.

3125215040 is an abundant number, since it is smaller than the sum of its proper divisors (4321475680).

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

3125215040 is a wasteful number, since it uses less digits than its factorization.

3125215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3125215040 is about 55903.6227806392. The cubic root of 3125215040 is about 1462.0424033119.

The spelling of 3125215040 in words is "three billion, one hundred twenty-five million, two hundred fifteen thousand, forty".