499600720 has 40 divisors (see below), whose sum is σ = 1162967976. Its totient is φ = 199600128.

The previous prime is 499600693. The next prime is 499600727. The reversal of 499600720 is 27006994.

It can be written as a sum of positive squares in 4 ways, for example, as 19289664 + 480311056 = 4392^2 + 21916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 499600720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499600727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72964 + ... + 79516.

Almost surely, 2^499600720 is an apocalyptic number.

499600720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499600720 is an abundant number, since it is smaller than the sum of its proper divisors (663367256).

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

499600720 is a wasteful number, since it uses less digits than its factorization.

499600720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519 (or 7513 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 499600720 is about 22351.7498196450. The cubic root of 499600720 is about 793.4891972239.

The spelling of 499600720 in words is "four hundred ninety-nine million, six hundred thousand, seven hundred twenty".