490558091904 has 48 divisors (see below), whose sum is σ = 1411632012570. Its totient is φ = 163519363584.

The previous prime is 490558091813. The next prime is 490558091923. The reversal of 490558091904 is 409190855094.

490558091904 is a `hidden beast` number, since 49 + 0 + 5 + 580 + 9 + 19 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 490347261504 + 210830400 = 700248^2 + 14520^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212914687 + ... + 212916990.

Almost surely, 2^490558091904 is an apocalyptic number.

It is an amenable number.

490558091904 is an abundant number, since it is smaller than the sum of its proper divisors (921073920666).

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

490558091904 is a wasteful number, since it uses less digits than its factorization.

490558091904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425831697 (or 425831682 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 490558091904 in words is "four hundred ninety billion, five hundred fifty-eight million, ninety-one thousand, nine hundred four".