499188402 has 24 divisors (see below), whose sum is σ = 1082607084. Its totient is φ = 166237344.

The previous prime is 499188401. The next prime is 499188427. The reversal of 499188402 is 204881994.

It can be written as a sum of positive squares in 2 ways, for example, as 499120281 + 68121 = 22341^2 + 261^2 .

It is not an unprimeable number, because it can be changed into a prime (499188401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6988 + ... + 32360.

Almost surely, 2^499188402 is an apocalyptic number.

499188402 is an abundant number, since it is smaller than the sum of its proper divisors (583418682).

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

499188402 is a wasteful number, since it uses less digits than its factorization.

499188402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26474 (or 26471 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 499188402 is about 22342.5245216381. The cubic root of 499188402 is about 793.2708495775.

The spelling of 499188402 in words is "four hundred ninety-nine million, one hundred eighty-eight thousand, four hundred two".