507805680 has 80 divisors (see below), whose sum is σ = 1594183680. Its totient is φ = 133695744.

The previous prime is 507805673. The next prime is 507805681. The reversal of 507805680 is 86508705.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507805681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5569 + ... + 32351.

It is an arithmetic number, because the mean of its divisors is an integer number (19927296).

Almost surely, 2^507805680 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 507805680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797091840).

507805680 is an abundant number, since it is smaller than the sum of its proper divisors (1086378000).

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

507805680 is a wasteful number, since it uses less digits than its factorization.

507805680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26878 (or 26872 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 507805680 is about 22534.5441489283. The cubic root of 507805680 is about 797.8094657576.

The spelling of 507805680 in words is "five hundred seven million, eight hundred five thousand, six hundred eighty".