490767566 has 8 divisors (see below), whose sum is σ = 736272504. Its totient is φ = 245343400.

The previous prime is 490767559. The next prime is 490767569. The reversal of 490767566 is 665767094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490767569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565 + ... + 31368.

It is an arithmetic number, because the mean of its divisors is an integer number (92034063).

Almost surely, 2^490767566 is an apocalyptic number.

490767566 is a deficient number, since it is larger than the sum of its proper divisors (245504938).

490767566 is a wasteful number, since it uses less digits than its factorization.

490767566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40386.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 490767566 is about 22153.2743855169. The cubic root of 490767566 is about 788.7849537329.

The spelling of 490767566 in words is "four hundred ninety million, seven hundred sixty-seven thousand, five hundred sixty-six".