505890957004 has 12 divisors (see below), whose sum is σ = 885324598200. Its totient is φ = 252941071808.

The previous prime is 505890956981. The next prime is 505890957007. The reversal of 505890957004 is 400759098505.

It is not an unprimeable number, because it can be changed into a prime (505890957007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836269 + ... + 1308100.

It is an arithmetic number, because the mean of its divisors is an integer number (73777049850).

Almost surely, 2^505890957004 is an apocalyptic number.

It is an amenable number.

505890957004 is a deficient number, since it is larger than the sum of its proper divisors (379433641196).

505890957004 is a wasteful number, since it uses less digits than its factorization.

505890957004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203352 (or 2203350 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 505890957004 in words is "five hundred five billion, eight hundred ninety million, nine hundred fifty-seven thousand, four".