490764432 has 160 divisors (see below), whose sum is σ = 1422766080. Its totient is φ = 144967680.

The previous prime is 490764413. The next prime is 490764437. The reversal of 490764432 is 234467094.

It is not an unprimeable number, because it can be changed into a prime (490764437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482507 + ... + 1482837.

It is an arithmetic number, because the mean of its divisors is an integer number (8892288).

Almost surely, 2^490764432 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 490764432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711383040).

490764432 is an abundant number, since it is smaller than the sum of its proper divisors (932001648).

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

490764432 is a wasteful number, since it uses less digits than its factorization.

490764432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 490764432 is about 22153.2036509395. The cubic root of 490764432 is about 788.7832746914.

The spelling of 490764432 in words is "four hundred ninety million, seven hundred sixty-four thousand, four hundred thirty-two".