655504062320 has 40 divisors (see below), whose sum is σ = 1525218629760. Its totient is φ = 262000044800.

The previous prime is 655504062289. The next prime is 655504062341. The reversal of 655504062320 is 23260405556.

655504062320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044960 + ... + 3253119.

It is an arithmetic number, because the mean of its divisors is an integer number (38130465744).

Almost surely, 2^655504062320 is an apocalyptic number.

It is an amenable number.

655504062320 is an abundant number, since it is smaller than the sum of its proper divisors (869714567440).

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

655504062320 is a wasteful number, since it uses less digits than its factorization.

655504062320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299393 (or 6299387 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 655504062320 its reverse (23260405556), we get a palindrome (678764467876).

The spelling of 655504062320 in words is "six hundred fifty-five billion, five hundred four million, sixty-two thousand, three hundred twenty".