490486320 has 160 divisors (see below), whose sum is σ = 1707599040. Its totient is φ = 129392640.

The previous prime is 490486307. The next prime is 490486357. The reversal of 490486320 is 23684094.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 208350 + ... + 210690.

It is an arithmetic number, because the mean of its divisors is an integer number (10672494).

Almost surely, 2^490486320 is an apocalyptic number.

490486320 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 490486320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853799520).

490486320 is an abundant number, since it is smaller than the sum of its proper divisors (1217112720).

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

490486320 is a wasteful number, since it uses less digits than its factorization.

490486320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 490486320 is about 22146.9257460262. The cubic root of 490486320 is about 788.6342476286.

The spelling of 490486320 in words is "four hundred ninety million, four hundred eighty-six thousand, three hundred twenty".