625494310320 has 640 divisors, whose sum is σ = 2321195719680. Its totient is φ = 137618391040.

The previous prime is 625494310291. The next prime is 625494310387. The reversal of 625494310320 is 23013494526.

625494310320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 140337532 + ... + 140341988.

It is an arithmetic number, because the mean of its divisors is an integer number (3626868312).

Almost surely, 2^625494310320 is an apocalyptic number.

625494310320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625494310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160597859840).

625494310320 is an abundant number, since it is smaller than the sum of its proper divisors (1695701409360).

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

625494310320 is a wasteful number, since it uses less digits than its factorization.

625494310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 625494310320 in words is "six hundred twenty-five billion, four hundred ninety-four million, three hundred ten thousand, three hundred twenty".