255155633432 has 32 divisors (see below), whose sum is σ = 547288435200. Its totient is φ = 109247141664.

The previous prime is 255155633413. The next prime is 255155633441. The reversal of 255155633432 is 234336551552.

It is a happy number.

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, 2134478 + ... + 2250845.

It is an arithmetic number, because the mean of its divisors is an integer number (17102763600).

Almost surely, 2^255155633432 is an apocalyptic number.

It is an amenable number.

255155633432 is an abundant number, since it is smaller than the sum of its proper divisors (292132801768).

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

255155633432 is a wasteful number, since it uses less digits than its factorization.

255155633432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386375 (or 4386371 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 44.

The spelling of 255155633432 in words is "two hundred fifty-five billion, one hundred fifty-five million, six hundred thirty-three thousand, four hundred thirty-two".