490810356 has 36 divisors (see below), whose sum is σ = 1305959200. Its totient is φ = 154992528.

The previous prime is 490810351. The next prime is 490810357. The reversal of 490810356 is 653018094.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 490810356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490810351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358096 + ... + 359463.

Almost surely, 2^490810356 is an apocalyptic number.

It is an amenable number.

490810356 is an abundant number, since it is smaller than the sum of its proper divisors (815148844).

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

490810356 is a wasteful number, since it uses less digits than its factorization.

490810356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717588 (or 717583 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 490810356 is about 22154.2401359198. The cubic root of 490810356 is about 788.8078777738.

The spelling of 490810356 in words is "four hundred ninety million, eight hundred ten thousand, three hundred fifty-six".