499720853824 has 56 divisors (see below), whose sum is σ = 1014534407808. Its totient is φ = 244109061120.

The previous prime is 499720853813. The next prime is 499720853837. The reversal of 499720853824 is 428358027994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545964 + ... + 1841044.

Almost surely, 2^499720853824 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 499720853824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507267203904).

499720853824 is an abundant number, since it is smaller than the sum of its proper divisors (514813553984).

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

499720853824 is a wasteful number, since it uses less digits than its factorization.

499720853824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295703 (or 295693 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 499720853824 in words is "four hundred ninety-nine billion, seven hundred twenty million, eight hundred fifty-three thousand, eight hundred twenty-four".