490669960 has 128 divisors (see below), whose sum is σ = 1257379200. Its totient is φ = 170752000.

The previous prime is 490669957. The next prime is 490669973. The reversal of 490669960 is 69966094.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064130 + ... + 1064590.

It is an arithmetic number, because the mean of its divisors is an integer number (9823275).

Almost surely, 2^490669960 is an apocalyptic number.

490669960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490669960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628689600).

490669960 is an abundant number, since it is smaller than the sum of its proper divisors (766709240).

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

490669960 is a wasteful number, since it uses less digits than its factorization.

490669960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 490669960 is about 22151.0713059211. The cubic root of 490669960 is about 788.7326579320.

The spelling of 490669960 in words is "four hundred ninety million, six hundred sixty-nine thousand, nine hundred sixty".