490135566 has 32 divisors (see below), whose sum is σ = 1047852288. Its totient is φ = 152461760.

The previous prime is 490135531. The next prime is 490135601. The reversal of 490135566 is 665531094.

It is an interprime number because it is at equal distance from previous prime (490135531) and next prime (490135601).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37656 + ... + 48971.

It is an arithmetic number, because the mean of its divisors is an integer number (32745384).

Almost surely, 2^490135566 is an apocalyptic number.

490135566 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

490135566 is an abundant number, since it is smaller than the sum of its proper divisors (557716722).

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

490135566 is a wasteful number, since it uses less digits than its factorization.

490135566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86696.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 490135566 is about 22139.0055332212. The cubic root of 490135566 is about 788.4462148066.

The spelling of 490135566 in words is "four hundred ninety million, one hundred thirty-five thousand, five hundred sixty-six".