499744764 has 72 divisors (see below), whose sum is σ = 1339687440. Its totient is φ = 156632832.

The previous prime is 499744717. The next prime is 499744781. The reversal of 499744764 is 467447994.

It is a self number, because there is not a number n which added to its sum of digits gives 499744764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91042 + ... + 96374.

It is an arithmetic number, because the mean of its divisors is an integer number (18606770).

Almost surely, 2^499744764 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 499744764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669843720).

499744764 is an abundant number, since it is smaller than the sum of its proper divisors (839942676).

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

499744764 is a wasteful number, since it uses less digits than its factorization.

499744764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499 (or 5494 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 499744764 is about 22354.9717960010. The cubic root of 499744764 is about 793.5654490322.

The spelling of 499744764 in words is "four hundred ninety-nine million, seven hundred forty-four thousand, seven hundred sixty-four".