506905976220780 has 24 divisors (see below), whose sum is σ = 1419336733418352. Its totient is φ = 135174926992192.

The previous prime is 506905976220739. The next prime is 506905976220841. The reversal of 506905976220780 is 87022679509605.

It is a super-2 number, since 2×506905976220780² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

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, 4224216468447 + ... + 4224216468566.

It is an arithmetic number, because the mean of its divisors is an integer number (59139030559098).

Almost surely, 2^{506905976220780} is an apocalyptic number.

It is an amenable number.

506905976220780 is an abundant number, since it is smaller than the sum of its proper divisors (912430757197572).

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

506905976220780 is a wasteful number, since it uses less digits than its factorization.

506905976220780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448432937025 (or 8448432937023 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 66.

The spelling of 506905976220780 in words is "five hundred six trillion, nine hundred five billion, nine hundred seventy-six million, two hundred twenty thousand, seven hundred eighty".