499976644 has 6 divisors (see below), whose sum is σ = 874959134. Its totient is φ = 249988320.

The previous prime is 499976629. The next prime is 499976651. The reversal of 499976644 is 446679994.

It can be written as a sum of positive squares in only one way, i.e., 417384900 + 82591744 = 20430^2 + 9088^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62497077 + ... + 62497084.

Almost surely, 2^499976644 is an apocalyptic number.

It is an amenable number.

499976644 is a deficient number, since it is larger than the sum of its proper divisors (374982490).

499976644 is a wasteful number, since it uses less digits than its factorization.

499976644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124994165 (or 124994163 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 58.

The square root of 499976644 is about 22360.1575128620. The cubic root of 499976644 is about 793.6881673453.

The spelling of 499976644 in words is "four hundred ninety-nine million, nine hundred seventy-six thousand, six hundred forty-four".