625890496 has 224 divisors, whose sum is σ = 1699467264. Its totient is φ = 221184000.

The previous prime is 625890491. The next prime is 625890509. The reversal of 625890496 is 694098526.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (625890491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2596936 + ... + 2597176.

Almost surely, 2^625890496 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 625890496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849733632).

625890496 is an abundant number, since it is smaller than the sum of its proper divisors (1073576768).

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

625890496 is a wasteful number, since it uses less digits than its factorization.

625890496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 625890496 is about 25017.8035806503. The cubic root of 625890496 is about 855.3938411042.

The spelling of 625890496 in words is "six hundred twenty-five million, eight hundred ninety thousand, four hundred ninety-six".