490799568 has 80 divisors (see below), whose sum is σ = 1479905280. Its totient is φ = 137240448.

The previous prime is 490799531. The next prime is 490799581. The reversal of 490799568 is 865997094.

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, 253 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (18498816).

Almost surely, 2^490799568 is an apocalyptic number.

490799568 is a gapful number since it is divisible by the number (48) 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 490799568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739952640).

490799568 is an abundant number, since it is smaller than the sum of its proper divisors (989105712).

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

490799568 is a wasteful number, since it uses less digits than its factorization.

490799568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31144 (or 31138 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 490799568 is about 22153.9966597452. The cubic root of 490799568 is about 788.8020984053.

The spelling of 490799568 in words is "four hundred ninety million, seven hundred ninety-nine thousand, five hundred sixty-eight".