505212640996 has 24 divisors (see below), whose sum is σ = 1014876507456. Its totient is φ = 215565869280.

The previous prime is 505212640963. The next prime is 505212640997. The reversal of 505212640996 is 699046212505.

It is not an unprimeable number, because it can be changed into a prime (505212640997) 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, 39736615 + ... + 39749326.

It is an arithmetic number, because the mean of its divisors is an integer number (42286521144).

Almost surely, 2^505212640996 is an apocalyptic number.

It is an amenable number.

505212640996 is an abundant number, since it is smaller than the sum of its proper divisors (509663866460).

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

505212640996 is a wasteful number, since it uses less digits than its factorization.

505212640996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79486179 (or 79486177 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 505212640996 in words is "five hundred five billion, two hundred twelve million, six hundred forty thousand, nine hundred ninety-six".