490388472 has 128 divisors (see below), whose sum is σ = 1588800000. Its totient is φ = 140089824.

The previous prime is 490388467. The next prime is 490388519. The reversal of 490388472 is 274883094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70779 + ... + 77397.

It is an arithmetic number, because the mean of its divisors is an integer number (12412500).

Almost surely, 2^490388472 is an apocalyptic number.

490388472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490388472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794400000).

490388472 is an abundant number, since it is smaller than the sum of its proper divisors (1098411528).

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

490388472 is a wasteful number, since it uses less digits than its factorization.

490388472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 490388472 is about 22144.7165707760. The cubic root of 490388472 is about 788.5818021185.

The spelling of 490388472 in words is "four hundred ninety million, three hundred eighty-eight thousand, four hundred seventy-two".