499958256 has 80 divisors (see below), whose sum is σ = 1478548224. Its totient is φ = 142605312.

The previous prime is 499958237. The next prime is 499958279. The reversal of 499958256 is 652859994.

It is a junction number, because it is equal to n+sod(n) for n = 499958196 and 499958205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327511 + ... + 329033.

Almost surely, 2^499958256 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 499958256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739274112).

499958256 is an abundant number, since it is smaller than the sum of its proper divisors (978589968).

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

499958256 is a wasteful number, since it uses less digits than its factorization.

499958256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2512 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 57.

The square root of 499958256 is about 22359.7463312981. The cubic root of 499958256 is about 793.6784372129.

The spelling of 499958256 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, two hundred fifty-six".