490761280 has 28 divisors (see below), whose sum is σ = 1168626060. Its totient is φ = 196304384.

The previous prime is 490761277. The next prime is 490761311. The reversal of 490761280 is 82167094.

It can be written as a sum of positive squares in 2 ways, for example, as 171924544 + 318836736 = 13112^2 + 17856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766495 + ... + 767134.

It is an arithmetic number, because the mean of its divisors is an integer number (41736645).

Almost surely, 2^490761280 is an apocalyptic number.

490761280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490761280 is an abundant number, since it is smaller than the sum of its proper divisors (677864780).

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

490761280 is a wasteful number, since it uses less digits than its factorization.

490761280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533646 (or 1533636 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 490761280 is about 22153.1325098732. The cubic root of 490761280 is about 788.7815859992.

The spelling of 490761280 in words is "four hundred ninety million, seven hundred sixty-one thousand, two hundred eighty".