499499900 has 72 divisors (see below), whose sum is σ = 1138260480. Its totient is φ = 190008000.

The previous prime is 499499867. The next prime is 499499909. The reversal of 499499900 is 9994994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499499909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181535 + ... + 184265.

Almost surely, 2^499499900 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 499499900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569130240).

499499900 is an abundant number, since it is smaller than the sum of its proper divisors (638760580).

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

499499900 is a wasteful number, since it uses less digits than its factorization.

499499900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 499499900 is about 22349.4944014400. The cubic root of 499499900 is about 793.4358179555.

It can be divided in two parts, 49 and 9499900, that added together give a palindrome (9499949).

The spelling of 499499900 in words is "four hundred ninety-nine million, four hundred ninety-nine thousand, nine hundred".