499955250 has 32 divisors (see below), whose sum is σ = 1247890176. Its totient is φ = 133321200.

The previous prime is 499955249. The next prime is 499955251. The reversal of 499955250 is 52559994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (499955249) and next prime (499955251).

It is a self number, because there is not a number n which added to its sum of digits gives 499955250.

It is not an unprimeable number, because it can be changed into a prime (499955251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332554 + ... + 334053.

It is an arithmetic number, because the mean of its divisors is an integer number (38996568).

Almost surely, 2^499955250 is an apocalyptic number.

499955250 is an abundant number, since it is smaller than the sum of its proper divisors (747934926).

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

499955250 is a wasteful number, since it uses less digits than its factorization.

499955250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666627 (or 666617 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 499955250 is about 22359.6791121876. The cubic root of 499955250 is about 793.6768465453.

The spelling of 499955250 in words is "four hundred ninety-nine million, nine hundred fifty-five thousand, two hundred fifty".