499944290 has 16 divisors (see below), whose sum is σ = 901877112. Its totient is φ = 199538304.

The previous prime is 499944287. The next prime is 499944293. The reversal of 499944290 is 92449994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (499944287) and next prime (499944293).

It can be written as a sum of positive squares in 4 ways, for example, as 499477801 + 466489 = 22349^2 + 683^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499944293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50129 + ... + 59268.

Almost surely, 2^499944290 is an apocalyptic number.

499944290 is a deficient number, since it is larger than the sum of its proper divisors (401932822).

499944290 is a wasteful number, since it uses less digits than its factorization.

499944290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109861.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 499944290 is about 22359.4340268263. The cubic root of 499944290 is about 793.6710468517.

The spelling of 499944290 in words is "four hundred ninety-nine million, nine hundred forty-four thousand, two hundred ninety".