500540251668 has 24 divisors (see below), whose sum is σ = 1229397109920. Its totient is φ = 158065342560.

The previous prime is 500540251657. The next prime is 500540251699. The reversal of 500540251668 is 866152045005.

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, 1097675763 + ... + 1097676218.

It is an arithmetic number, because the mean of its divisors is an integer number (51224879580).

Almost surely, 2^500540251668 is an apocalyptic number.

It is an amenable number.

500540251668 is an abundant number, since it is smaller than the sum of its proper divisors (728856858252).

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

500540251668 is a wasteful number, since it uses less digits than its factorization.

500540251668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195352007 (or 2195352005 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 500540251668 in words is "five hundred billion, five hundred forty million, two hundred fifty-one thousand, six hundred sixty-eight".