490265860 has 48 divisors (see below), whose sum is σ = 1180456704. Its totient is φ = 167545728.

The previous prime is 490265857. The next prime is 490265891. The reversal of 490265860 is 68562094.

It is a happy number.

It is a super-2 number, since 2×490265860² = 480721226963079200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38857 + ... + 49903.

It is an arithmetic number, because the mean of its divisors is an integer number (24592848).

Almost surely, 2^490265860 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 490265860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590228352).

490265860 is an abundant number, since it is smaller than the sum of its proper divisors (690190844).

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

490265860 is a wasteful number, since it uses less digits than its factorization.

490265860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380 (or 11378 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 490265860 is about 22141.9479721184. The cubic root of 490265860 is about 788.5160735128.

The spelling of 490265860 in words is "four hundred ninety million, two hundred sixty-five thousand, eight hundred sixty".