499999500428 has 12 divisors (see below), whose sum is σ = 878820084240. Its totient is φ = 248908047792.

The previous prime is 499999500391. The next prime is 499999500509. The reversal of 499999500428 is 824005999994.

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, 272924576 + ... + 272926407.

It is an arithmetic number, because the mean of its divisors is an integer number (73235007020).

Almost surely, 2^499999500428 is an apocalyptic number.

It is an amenable number.

499999500428 is a deficient number, since it is larger than the sum of its proper divisors (378820583812).

499999500428 is a wasteful number, since it uses less digits than its factorization.

499999500428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545851216 (or 545851214 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 68.

The spelling of 499999500428 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, five hundred thousand, four hundred twenty-eight".