499864190 has 80 divisors (see below), whose sum is σ = 1064828160. Its totient is φ = 168920640.

The previous prime is 499864187. The next prime is 499864199. The reversal of 499864190 is 91468994.

It is a happy number.

It is a super-2 number, since 2×499864190² = 499728416888712200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499864199) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2616995 + ... + 2617185.

It is an arithmetic number, because the mean of its divisors is an integer number (13310352).

Almost surely, 2^499864190 is an apocalyptic number.

499864190 is an abundant number, since it is smaller than the sum of its proper divisors (564963970).

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

499864190 is a wasteful number, since it uses less digits than its factorization.

499864190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 499864190 is about 22357.6427648355. The cubic root of 499864190 is about 793.6286578311.

The spelling of 499864190 in words is "four hundred ninety-nine million, eight hundred sixty-four thousand, one hundred ninety".