490810540 has 48 divisors (see below), whose sum is σ = 1137991680. Its totient is φ = 176319680.

The previous prime is 490810511. The next prime is 490810561. The reversal of 490810540 is 45018094.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821 + ... + 31699.

It is an arithmetic number, because the mean of its divisors is an integer number (23708160).

Almost surely, 2^490810540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490810540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568995840).

490810540 is an abundant number, since it is smaller than the sum of its proper divisors (647181140).

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

490810540 is a wasteful number, since it uses less digits than its factorization.

490810540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26982 (or 26980 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 490810540 is about 22154.2442886233. The cubic root of 490810540 is about 788.8079763459.

The spelling of 490810540 in words is "four hundred ninety million, eight hundred ten thousand, five hundred forty".