490990242 has 32 divisors (see below), whose sum is σ = 1017072000. Its totient is φ = 157828608.

The previous prime is 490990237. The next prime is 490990273. The reversal of 490990242 is 242099094.

It is a self number, because there is not a number n which added to its sum of digits gives 490990242.

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, 242418 + ... + 244434.

It is an arithmetic number, because the mean of its divisors is an integer number (31783500).

Almost surely, 2^490990242 is an apocalyptic number.

490990242 is an abundant number, since it is smaller than the sum of its proper divisors (526081758).

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

490990242 is a wasteful number, since it uses less digits than its factorization.

490990242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 490990242 is about 22158.2996188787. The cubic root of 490990242 is about 788.9042341773.

The spelling of 490990242 in words is "four hundred ninety million, nine hundred ninety thousand, two hundred forty-two".