655040332 has 6 divisors (see below), whose sum is σ = 1146320588. Its totient is φ = 327520164.

The previous prime is 655040327. The next prime is 655040339. The reversal of 655040332 is 233040556.

655040332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 655040332.

It is not an unprimeable number, because it can be changed into a prime (655040339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81880038 + ... + 81880045.

Almost surely, 2^655040332 is an apocalyptic number.

It is an amenable number.

655040332 is a deficient number, since it is larger than the sum of its proper divisors (491280256).

655040332 is a wasteful number, since it uses less digits than its factorization.

655040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163760087 (or 163760085 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 655040332 is about 25593.7557228321. The cubic root of 655040332 is about 868.4723851014.

Adding to 655040332 its reverse (233040556), we get a palindrome (888080888).

The spelling of 655040332 in words is "six hundred fifty-five million, forty thousand, three hundred thirty-two".