506391948790 has 32 divisors (see below), whose sum is σ = 1121852934720. Its totient is φ = 160264704384.

The previous prime is 506391948779. The next prime is 506391948809. The reversal of 506391948790 is 97849193605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278236425 + ... + 278238244.

It is an arithmetic number, because the mean of its divisors is an integer number (35057904210).

Almost surely, 2^506391948790 is an apocalyptic number.

506391948790 is an abundant number, since it is smaller than the sum of its proper divisors (615460985930).

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

506391948790 is a wasteful number, since it uses less digits than its factorization.

506391948790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556474696.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 506391948790 in words is "five hundred six billion, three hundred ninety-one million, nine hundred forty-eight thousand, seven hundred ninety".