490805380 has 24 divisors (see below), whose sum is σ = 1109975832. Its totient is φ = 181220352.

The previous prime is 490805347. The next prime is 490805401. The reversal of 490805380 is 83508094.

It can be written as a sum of positive squares in 4 ways, for example, as 99082116 + 391723264 = 9954^2 + 19792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943597 + ... + 944116.

It is an arithmetic number, because the mean of its divisors is an integer number (46248993).

Almost surely, 2^490805380 is an apocalyptic number.

It is an amenable number.

490805380 is an abundant number, since it is smaller than the sum of its proper divisors (619170452).

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

490805380 is a wasteful number, since it uses less digits than its factorization.

490805380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887735 (or 1887733 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 490805380 is about 22154.1278320768. The cubic root of 490805380 is about 788.8052120319.

The spelling of 490805380 in words is "four hundred ninety million, eight hundred five thousand, three hundred eighty".