625613535400 has 96 divisors (see below), whose sum is σ = 1760129576640. Its totient is φ = 201878645760.

The previous prime is 625613535389. The next prime is 625613535413. The reversal of 625613535400 is 4535316526.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13119342 + ... + 13166941.

It is an arithmetic number, because the mean of its divisors is an integer number (18334683090).

Almost surely, 2^625613535400 is an apocalyptic number.

It is an amenable number.

625613535400 is an abundant number, since it is smaller than the sum of its proper divisors (1134516041240).

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

625613535400 is a wasteful number, since it uses less digits than its factorization.

625613535400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26286323 (or 26286314 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 625613535400 in words is "six hundred twenty-five billion, six hundred thirteen million, five hundred thirty-five thousand, four hundred".