501376634240 has 64 divisors (see below), whose sum is σ = 1199030938560. Its totient is φ = 200479137792.

The previous prime is 501376634207. The next prime is 501376634263. The reversal of 501376634240 is 42436673105.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674857 + ... + 1951383.

It is an arithmetic number, because the mean of its divisors is an integer number (18734858415).

Almost surely, 2^501376634240 is an apocalyptic number.

It is an amenable number.

501376634240 is an abundant number, since it is smaller than the sum of its proper divisors (697654304320).

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

501376634240 is a wasteful number, since it uses less digits than its factorization.

501376634240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279379 (or 279367 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 501376634240 in words is "five hundred one billion, three hundred seventy-six million, six hundred thirty-four thousand, two hundred forty".