491680754404 has 24 divisors (see below), whose sum is σ = 984670953728. Its totient is φ = 210439728000.

The previous prime is 491680754377. The next prime is 491680754459. The reversal of 491680754404 is 404457086194.

It is a happy number.

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, 11670069 + ... + 11712124.

Almost surely, 2^491680754404 is an apocalyptic number.

It is an amenable number.

491680754404 is an abundant number, since it is smaller than the sum of its proper divisors (492990199324).

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

491680754404 is a wasteful number, since it uses less digits than its factorization.

491680754404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382955 (or 23382953 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 491680754404 in words is "four hundred ninety-one billion, six hundred eighty million, seven hundred fifty-four thousand, four hundred four".