495380990904 has 16 divisors (see below), whose sum is σ = 1238452477320. Its totient is φ = 165126996960.

The previous prime is 495380990893. The next prime is 495380990917. The reversal of 495380990904 is 409099083594.

It is a super-2 number, since 2×495380990904² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10320437287 + ... + 10320437334.

Almost surely, 2^495380990904 is an apocalyptic number.

It is an amenable number.

495380990904 is an abundant number, since it is smaller than the sum of its proper divisors (743071486416).

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

495380990904 is a wasteful number, since it uses less digits than its factorization.

495380990904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640874630 (or 20640874626 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 495380990904 in words is "four hundred ninety-five billion, three hundred eighty million, nine hundred ninety thousand, nine hundred four".