490581056 has 28 divisors (see below), whose sum is σ = 1112568768. Its totient is φ = 210248832.

The previous prime is 490581043. The next prime is 490581131. The reversal of 490581056 is 650185094.

It is a tau number, because it is divible by the number of its divisors (28).

It is an alternating number because its digits alternate between even and odd.

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, 547076 + ... + 547971.

Almost surely, 2^490581056 is an apocalyptic number.

It is an amenable number.

490581056 is an abundant number, since it is smaller than the sum of its proper divisors (621987712).

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

490581056 is a wasteful number, since it uses less digits than its factorization.

490581056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095066 (or 1095056 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 490581056 is about 22149.0644497685. The cubic root of 490581056 is about 788.6850184938.

The spelling of 490581056 in words is "four hundred ninety million, five hundred eighty-one thousand, fifty-six".