500994720 has 480 divisors, whose sum is σ = 1931973120. Its totient is φ = 121927680.

The previous prime is 500994707. The next prime is 500994721. The reversal of 500994720 is 27499005.

500994720 is a `hidden beast` number, since 500 + 99 + 47 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500994721) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11651019 + ... + 11651061.

It is an arithmetic number, because the mean of its divisors is an integer number (4024944).

Almost surely, 2^500994720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500994720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965986560).

500994720 is an abundant number, since it is smaller than the sum of its proper divisors (1430978400).

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

500994720 is a wasteful number, since it uses less digits than its factorization.

500994720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 500994720 is about 22382.9113387870. The cubic root of 500994720 is about 794.2265171870.

The spelling of 500994720 in words is "five hundred million, nine hundred ninety-four thousand, seven hundred twenty".