499879525824 has 672 divisors, whose sum is σ = 1776276864000. Its totient is φ = 137350176768.

The previous prime is 499879525819. The next prime is 499879525861. The reversal of 499879525824 is 428525978994.

499879525824 is a `hidden beast` number, since 4 + 9 + 9 + 8 + 79 + 525 + 8 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 234794392 + ... + 234796520.

Almost surely, 2^499879525824 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 499879525824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888138432000).

499879525824 is an abundant number, since it is smaller than the sum of its proper divisors (1276397338176).

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

499879525824 is a wasteful number, since it uses less digits than its factorization.

499879525824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2247 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 499879525824 in words is "four hundred ninety-nine billion, eight hundred seventy-nine million, five hundred twenty-five thousand, eight hundred twenty-four".