255405404120332 has 24 divisors (see below), whose sum is σ = 473432582110320. Its totient is φ = 120144710568960.

The previous prime is 255405404120327. The next prime is 255405404120341. The reversal of 255405404120332 is 233021404504552.

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, 719631294 + ... + 719986117.

It is an arithmetic number, because the mean of its divisors is an integer number (19726357587930).

Almost surely, 2^{255405404120332} is an apocalyptic number.

It is an amenable number.

255405404120332 is a deficient number, since it is larger than the sum of its proper divisors (218027177989988).

255405404120332 is a wasteful number, since it uses less digits than its factorization.

255405404120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439620041 (or 1439620039 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 255405404120332 its reverse (233021404504552), we get a palindrome (488426808624884).

The spelling of 255405404120332 in words is "two hundred fifty-five trillion, four hundred five billion, four hundred four million, one hundred twenty thousand, three hundred thirty-two".