499915950 has 48 divisors (see below), whose sum is σ = 1255514880. Its totient is φ = 131620320.

The previous prime is 499915943. The next prime is 499916057. The reversal of 499915950 is 59519994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 499915893 and 499915902.

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, 9244 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (26156560).

Almost surely, 2^499915950 is an apocalyptic number.

499915950 is an abundant number, since it is smaller than the sum of its proper divisors (755598930).

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

499915950 is a wasteful number, since it uses less digits than its factorization.

499915950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42281 (or 42276 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 51.

The square root of 499915950 is about 22358.8002808737. The cubic root of 499915950 is about 793.6560498057.

The spelling of 499915950 in words is "four hundred ninety-nine million, nine hundred fifteen thousand, nine hundred fifty".