494485590 has 32 divisors (see below), whose sum is σ = 1212019200. Its totient is φ = 129056864.

The previous prime is 494485571. The next prime is 494485603. The reversal of 494485590 is 95584494.

It is a congruent number.

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, 173940 + ... + 176759.

It is an arithmetic number, because the mean of its divisors is an integer number (37875600).

Almost surely, 2^494485590 is an apocalyptic number.

494485590 is an abundant number, since it is smaller than the sum of its proper divisors (717533610).

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

494485590 is a wasteful number, since it uses less digits than its factorization.

494485590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350756.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 494485590 is about 22237.0319512295. The cubic root of 494485590 is about 790.7718728427.

The spelling of 494485590 in words is "four hundred ninety-four million, four hundred eighty-five thousand, five hundred ninety".