490726164 has 24 divisors (see below), whose sum is σ = 1145592448. Its totient is φ = 163494720.

The previous prime is 490726163. The next prime is 490726189. The reversal of 490726164 is 461627094.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490726163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18504 + ... + 36384.

Almost surely, 2^490726164 is an apocalyptic number.

It is an amenable number.

490726164 is an abundant number, since it is smaller than the sum of its proper divisors (654866284).

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

490726164 is a wasteful number, since it uses less digits than its factorization.

490726164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20175 (or 20173 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 490726164 is about 22152.3399215523. The cubic root of 490726164 is about 788.7627720218.

The spelling of 490726164 in words is "four hundred ninety million, seven hundred twenty-six thousand, one hundred sixty-four".