490346808566 has 16 divisors (see below), whose sum is σ = 766212247680. Its totient is φ = 235087842240.

The previous prime is 490346808559. The next prime is 490346808569. The reversal of 490346808566 is 665808643094.

It is a happy number.

It is a super-2 number, since 2×490346808566² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490346808569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36272231 + ... + 36285746.

It is an arithmetic number, because the mean of its divisors is an integer number (47888265480).

Almost surely, 2^490346808566 is an apocalyptic number.

490346808566 is a deficient number, since it is larger than the sum of its proper divisors (275865439114).

490346808566 is a wasteful number, since it uses less digits than its factorization.

490346808566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72558119.

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 490346808566 in words is "four hundred ninety billion, three hundred forty-six million, eight hundred eight thousand, five hundred sixty-six".