499865760 has 72 divisors (see below), whose sum is σ = 1705796820. Its totient is φ = 133297152.

The previous prime is 499865711. The next prime is 499865789. The reversal of 499865760 is 67568994.

499865760 is a `hidden beast` number, since 499 + 86 + 5 + 76 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 485937936 + 13927824 = 22044^2 + 3732^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 499865697 and 499865706.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172125 + ... + 175004.

Almost surely, 2^499865760 is an apocalyptic number.

499865760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499865760 is an abundant number, since it is smaller than the sum of its proper divisors (1205931060).

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

499865760 is a wasteful number, since it uses less digits than its factorization.

499865760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347150 (or 347139 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 499865760 is about 22357.6778758439. The cubic root of 499865760 is about 793.6294887206.

The spelling of 499865760 in words is "four hundred ninety-nine million, eight hundred sixty-five thousand, seven hundred sixty".