501213740720 has 120 divisors (see below), whose sum is σ = 1463875701792. Its totient is φ = 156222443520.

The previous prime is 501213740701. The next prime is 501213740737. The reversal of 501213740720 is 27047312105.

It is a super-2 number, since 2×501213740720² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3630689 + ... + 3766208.

Almost surely, 2^501213740720 is an apocalyptic number.

It is an amenable number.

501213740720 is an abundant number, since it is smaller than the sum of its proper divisors (962661961072).

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

501213740720 is a wasteful number, since it uses less digits than its factorization.

501213740720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396939 (or 7396922 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 501213740720 in words is "five hundred one billion, two hundred thirteen million, seven hundred forty thousand, seven hundred twenty".