501513746840 has 32 divisors (see below), whose sum is σ = 1187795718000. Its totient is φ = 190047314304.

The previous prime is 501513746819. The next prime is 501513746849. The reversal of 501513746840 is 48647315105.

It is a super-3 number, since 3×501513746840³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501513746791 and 501513746800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501513746849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329942495 + ... + 329944014.

Almost surely, 2^501513746840 is an apocalyptic number.

It is an amenable number.

501513746840 is an abundant number, since it is smaller than the sum of its proper divisors (686281971160).

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

501513746840 is a wasteful number, since it uses less digits than its factorization.

501513746840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659886539 (or 659886535 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 501513746840 in words is "five hundred one billion, five hundred thirteen million, seven hundred forty-six thousand, eight hundred forty".