499890225100 has 144 divisors (see below), whose sum is σ = 1246360227840. Its totient is φ = 170475782400.

The previous prime is 499890225073. The next prime is 499890225157. The reversal of 499890225100 is 1522098994.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267177165 + ... + 267179035.

It is an arithmetic number, because the mean of its divisors is an integer number (8655279360).

Almost surely, 2^499890225100 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 499890225100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623180113920).

499890225100 is an abundant number, since it is smaller than the sum of its proper divisors (746470002740).

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

499890225100 is a wasteful number, since it uses less digits than its factorization.

499890225100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 499890225100 in words is "four hundred ninety-nine billion, eight hundred ninety million, two hundred twenty-five thousand, one hundred".