490390368 has 96 divisors (see below), whose sum is σ = 1390991616. Its totient is φ = 150379008.

The previous prime is 490390363. The next prime is 490390379. The reversal of 490390368 is 863093094.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490390363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552421 + ... + 553307.

It is an arithmetic number, because the mean of its divisors is an integer number (14489496).

Almost surely, 2^490390368 is an apocalyptic number.

490390368 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 490390368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695495808).

490390368 is an abundant number, since it is smaller than the sum of its proper divisors (900601248).

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

490390368 is a wasteful number, since it uses less digits than its factorization.

490390368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 490390368 is about 22144.7593800429. The cubic root of 490390368 is about 788.5828184210.

The spelling of 490390368 in words is "four hundred ninety million, three hundred ninety thousand, three hundred sixty-eight".