623728258528 has 36 divisors (see below), whose sum is σ = 1283676121728. Its totient is φ = 298304811200.

The previous prime is 623728258499. The next prime is 623728258567. The reversal of 623728258528 is 825852827326.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 18406048 + ... + 18439903.

It is an arithmetic number, because the mean of its divisors is an integer number (35657670048).

Almost surely, 2^623728258528 is an apocalyptic number.

It is an amenable number.

623728258528 is an abundant number, since it is smaller than the sum of its proper divisors (659947863200).

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

623728258528 is a wasteful number, since it uses less digits than its factorization.

623728258528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36846007 (or 36845976 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 58.

The spelling of 623728258528 in words is "six hundred twenty-three billion, seven hundred twenty-eight million, two hundred fifty-eight thousand, five hundred twenty-eight".