3125215044 has 144 divisors (see below), whose sum is σ = 9369360000. Its totient is φ = 859396608.

The previous prime is 3125215033. The next prime is 3125215063. The reversal of 3125215044 is 4405125213.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 3125214999 and 3125215017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3646264 + ... + 3647120.

It is an arithmetic number, because the mean of its divisors is an integer number (65065000).

Almost surely, 2^3125215044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125215044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684680000).

3125215044 is an abundant number, since it is smaller than the sum of its proper divisors (6244144956).

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

3125215044 is a wasteful number, since it uses less digits than its factorization.

3125215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3125215044 is about 55903.6228164150. The cubic root of 3125215044 is about 1462.0424039356.

The spelling of 3125215044 in words is "three billion, one hundred twenty-five million, two hundred fifteen thousand, forty-four".