499455760 has 20 divisors (see below), whose sum is σ = 1161234828. Its totient is φ = 199782272.

The previous prime is 499455713. The next prime is 499455763. The reversal of 499455760 is 67554994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 356605456 + 142850304 = 18884^2 + 11952^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (499455763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121519 + ... + 3121678.

Almost surely, 2^499455760 is an apocalyptic number.

499455760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499455760 is an abundant number, since it is smaller than the sum of its proper divisors (661779068).

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

499455760 is a wasteful number, since it uses less digits than its factorization.

499455760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243210 (or 6243204 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 499455760 is about 22348.5068852485. The cubic root of 499455760 is about 793.4124457194.

The spelling of 499455760 in words is "four hundred ninety-nine million, four hundred fifty-five thousand, seven hundred sixty".