494452900 has 72 divisors (see below), whose sum is σ = 1131255720. Its totient is φ = 187299840.

The previous prime is 494452897. The next prime is 494452921. The reversal of 494452900 is 9254494.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 14930496 + 479522404 = 3864^2 + 21898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 494452900.

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 23 ways as a sum of consecutive naturals, for example, 152092 + ... + 155308.

It is an arithmetic number, because the mean of its divisors is an integer number (15711885).

Almost surely, 2^494452900 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 494452900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565627860).

494452900 is an abundant number, since it is smaller than the sum of its proper divisors (636802820).

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

494452900 is a wasteful number, since it uses less digits than its factorization.

494452900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 494452900 is about 22236.2969039361. The cubic root of 494452900 is about 790.7544467183.

The spelling of 494452900 in words is "four hundred ninety-four million, four hundred fifty-two thousand, nine hundred".