490983288164 has 48 divisors (see below), whose sum is σ = 922413063600. Its totient is φ = 227839574016.

The previous prime is 490983288157. The next prime is 490983288209. The reversal of 490983288164 is 461882389094.

It can be written as a sum of positive squares in 8 ways, for example, as 5185440100 + 485797848064 = 72010^2 + 696992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 490983288097 and 490983288106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42729332 + ... + 42740820.

It is an arithmetic number, because the mean of its divisors is an integer number (19216938825).

Almost surely, 2^490983288164 is an apocalyptic number.

It is an amenable number.

490983288164 is a deficient number, since it is larger than the sum of its proper divisors (431429775436).

490983288164 is a wasteful number, since it uses less digits than its factorization.

490983288164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192 (or 20190 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 490983288164 in words is "four hundred ninety billion, nine hundred eighty-three million, two hundred eighty-eight thousand, one hundred sixty-four".