655361532432 has 30 divisors (see below), whose sum is σ = 1834102066862. Its totient is φ = 218453844096.

The previous prime is 655361532431. The next prime is 655361532439. The reversal of 655361532432 is 234235163556.

655361532432 is a `hidden beast` number, since 6 + 5 + 5 + 3 + 615 + 3 + 24 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 594033981696 + 61327550736 = 770736^2 + 247644^2 .

It is not an unprimeable number, because it can be changed into a prime (655361532431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2275560733 + ... + 2275561020.

Almost surely, 2^655361532432 is an apocalyptic number.

It is an amenable number.

655361532432 is an abundant number, since it is smaller than the sum of its proper divisors (1178740534430).

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

655361532432 is a wasteful number, since it uses less digits than its factorization.

655361532432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551121767 (or 4551121758 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

Adding to 655361532432 its reverse (234235163556), we get a palindrome (889596695988).

The spelling of 655361532432 in words is "six hundred fifty-five billion, three hundred sixty-one million, five hundred thirty-two thousand, four hundred thirty-two".