625840960 has 56 divisors (see below), whose sum is σ = 1518443496. Its totient is φ = 245606400.

The previous prime is 625840949. The next prime is 625840961. The reversal of 625840960 is 69048526.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8020224 + 617820736 = 2832^2 + 24856^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625840961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 35410.

Almost surely, 2^625840960 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 625840960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759221748).

625840960 is an abundant number, since it is smaller than the sum of its proper divisors (892602536).

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

625840960 is a wasteful number, since it uses less digits than its factorization.

625840960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36971 (or 36961 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 625840960 is about 25016.8135460934. The cubic root of 625840960 is about 855.3712738407.

The spelling of 625840960 in words is "six hundred twenty-five million, eight hundred forty thousand, nine hundred sixty".