501506672540 has 12 divisors (see below), whose sum is σ = 1053164012376. Its totient is φ = 200602669008.

The previous prime is 501506672533. The next prime is 501506672549. The reversal of 501506672540 is 45276605105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501506672549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12537666794 + ... + 12537666833.

It is an arithmetic number, because the mean of its divisors is an integer number (87763667698).

Almost surely, 2^501506672540 is an apocalyptic number.

It is an amenable number.

501506672540 is an abundant number, since it is smaller than the sum of its proper divisors (551657339836).

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

501506672540 is a wasteful number, since it uses less digits than its factorization.

501506672540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25075333636 (or 25075333634 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 501506672540 in words is "five hundred one billion, five hundred six million, six hundred seventy-two thousand, five hundred forty".