490669842 has 32 divisors (see below), whose sum is σ = 1074749760. Its totient is φ = 148415040.

The previous prime is 490669789. The next prime is 490669859. The reversal of 490669842 is 248966094.

It is a junction number, because it is equal to n+sod(n) for n = 490669791 and 490669800.

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, 48709 + ... + 57912.

It is an arithmetic number, because the mean of its divisors is an integer number (33585930).

Almost surely, 2^490669842 is an apocalyptic number.

490669842 is an abundant number, since it is smaller than the sum of its proper divisors (584079918).

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

490669842 is a wasteful number, since it uses less digits than its factorization.

490669842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106698.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 490669842 is about 22151.0686423929. The cubic root of 490669842 is about 788.7325947052.

The spelling of 490669842 in words is "four hundred ninety million, six hundred sixty-nine thousand, eight hundred forty-two".