625125616456 has 64 divisors (see below), whose sum is σ = 1303026030720. Its totient is φ = 278736606720.

The previous prime is 625125616417. The next prime is 625125616471. The reversal of 625125616456 is 654616521526.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40629741 + ... + 40645123.

It is an arithmetic number, because the mean of its divisors is an integer number (20359781730).

Almost surely, 2^625125616456 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 625125616456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651513015360).

625125616456 is an abundant number, since it is smaller than the sum of its proper divisors (677900414264).

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

625125616456 is a wasteful number, since it uses less digits than its factorization.

625125616456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24166 (or 24162 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

The spelling of 625125616456 in words is "six hundred twenty-five billion, one hundred twenty-five million, six hundred sixteen thousand, four hundred fifty-six".