499499128 has 16 divisors (see below), whose sum is σ = 943937280. Its totient is φ = 247782528.

The previous prime is 499499093. The next prime is 499499153. The reversal of 499499128 is 821994994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244801 + ... + 246832.

It is an arithmetic number, because the mean of its divisors is an integer number (58996080).

Almost surely, 2^499499128 is an apocalyptic number.

It is an amenable number.

499499128 is a deficient number, since it is larger than the sum of its proper divisors (444438152).

499499128 is a wasteful number, since it uses less digits than its factorization.

499499128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491766 (or 491762 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 499499128 is about 22349.4771303492. The cubic root of 499499128 is about 793.4354091914.

The spelling of 499499128 in words is "four hundred ninety-nine million, four hundred ninety-nine thousand, one hundred twenty-eight".