490657866100 has 108 divisors (see below), whose sum is σ = 1148020709472. Its totient is φ = 181673342400.

The previous prime is 490657866091. The next prime is 490657866151. The reversal of 490657866100 is 1668756094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2099307 + ... + 2321293.

It is an arithmetic number, because the mean of its divisors is an integer number (10629821384).

Almost surely, 2^490657866100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490657866100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574010354736).

490657866100 is an abundant number, since it is smaller than the sum of its proper divisors (657362843372).

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

490657866100 is a wasteful number, since it uses less digits than its factorization.

490657866100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222086 (or 222048 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 490657866100 in words is "four hundred ninety billion, six hundred fifty-seven million, eight hundred sixty-six thousand, one hundred".