499958430 has 32 divisors (see below), whose sum is σ = 1232332704. Its totient is φ = 129718656.

The previous prime is 499958413. The next prime is 499958441. The reversal of 499958430 is 34859994.

It is a Curzon number.

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, 224097 + ... + 226316.

It is an arithmetic number, because the mean of its divisors is an integer number (38510397).

Almost surely, 2^499958430 is an apocalyptic number.

499958430 is an abundant number, since it is smaller than the sum of its proper divisors (732374274).

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

499958430 is a wasteful number, since it uses less digits than its factorization.

499958430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450460.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 499958430 is about 22359.7502222185. The cubic root of 499958430 is about 793.6785292872.

The spelling of 499958430 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, four hundred thirty".