625523267523220 has 48 divisors (see below), whose sum is σ = 1433230794729216. Its totient is φ = 227429061200000.

The previous prime is 625523267523173. The next prime is 625523267523223. The reversal of 625523267523220 is 22325762325526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625523267523223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210679756 + ... + 213628195.

It is an arithmetic number, because the mean of its divisors is an integer number (29858974890192).

Almost surely, 2^{625523267523220} is an apocalyptic number.

It is an amenable number.

625523267523220 is an abundant number, since it is smaller than the sum of its proper divisors (807707527205996).

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

625523267523220 is a wasteful number, since it uses less digits than its factorization.

625523267523220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424314672 (or 424314670 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 52.

The spelling of 625523267523220 in words is "six hundred twenty-five trillion, five hundred twenty-three billion, two hundred sixty-seven million, five hundred twenty-three thousand, two hundred twenty".