499655556 has 18 divisors (see below), whose sum is σ = 1263018302. Its totient is φ = 166551840.

The previous prime is 499655549. The next prime is 499655573. The reversal of 499655556 is 655556994.

It can be written as a sum of positive squares in only one way, i.e., 457275456 + 42380100 = 21384^2 + 6510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6939625 + ... + 6939696.

Almost surely, 2^499655556 is an apocalyptic number.

It is an amenable number.

499655556 is an abundant number, since it is smaller than the sum of its proper divisors (763362746).

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

499655556 is a wasteful number, since it uses less digits than its factorization.

499655556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879331 (or 13879326 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 54.

The square root of 499655556 is about 22352.9764461022. The cubic root of 499655556 is about 793.5182271939.

The spelling of 499655556 in words is "four hundred ninety-nine million, six hundred fifty-five thousand, five hundred fifty-six".