499566368 has 36 divisors (see below), whose sum is σ = 1144099782. Its totient is φ = 214099200.

The previous prime is 499566367. The next prime is 499566407. The reversal of 499566368 is 863665994.

It can be written as a sum of positive squares in only one way, i.e., 454030864 + 45535504 = 21308^2 + 6748^2 .

It is a super-2 number, since 2×499566368² = 499133112073422848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (499566367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157733 + ... + 160868.

Almost surely, 2^499566368 is an apocalyptic number.

It is an amenable number.

499566368 is an abundant number, since it is smaller than the sum of its proper divisors (644533414).

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

499566368 is a wasteful number, since it uses less digits than its factorization.

499566368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318625 (or 318610 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The square root of 499566368 is about 22350.9813654792. The cubic root of 499566368 is about 793.4710103234.

The spelling of 499566368 in words is "four hundred ninety-nine million, five hundred sixty-six thousand, three hundred sixty-eight".