501425403904 has 24 divisors (see below), whose sum is σ = 1002605975280. Its totient is φ = 250712700928.

The previous prime is 501425403839. The next prime is 501425403911. The reversal of 501425403904 is 409304524105.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122416264 + ... + 122420359.

It is an arithmetic number, because the mean of its divisors is an integer number (41775248970).

Almost surely, 2^501425403904 is an apocalyptic number.

It is an amenable number.

501425403904 is a deficient number, since it is larger than the sum of its proper divisors (501180571376).

501425403904 is an equidigital number, since it uses as much as digits as its factorization.

501425403904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244836645 (or 244836625 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 501425403904 in words is "five hundred one billion, four hundred twenty-five million, four hundred three thousand, nine hundred four".