501327664312640 has 112 divisors (see below), whose sum is σ = 1302341481330624. Its totient is φ = 182296918425600.

The previous prime is 501327664312511. The next prime is 501327664312681. The reversal of 501327664312640 is 46213466723105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159188480 + ... + 162307200.

It is an arithmetic number, because the mean of its divisors is an integer number (11628048940452).

Almost surely, 2^{501327664312640} is an apocalyptic number.

It is an amenable number.

501327664312640 is an abundant number, since it is smaller than the sum of its proper divisors (801013817017984).

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

501327664312640 is a wasteful number, since it uses less digits than its factorization.

501327664312640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164416 (or 3164406 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 501327664312640 in words is "five hundred one trillion, three hundred twenty-seven billion, six hundred sixty-four million, three hundred twelve thousand, six hundred forty".