255405400223302 has 48 divisors (see below), whose sum is σ = 454108909217040. Its totient is φ = 107383792606272.

The previous prime is 255405400223299. The next prime is 255405400223317. The reversal of 255405400223302 is 203322004504552.

It is a super-2 number, since 2×255405400223302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51420349 + ... + 56168167.

It is an arithmetic number, because the mean of its divisors is an integer number (9460602275355).

Almost surely, 2^{255405400223302} is an apocalyptic number.

255405400223302 is a deficient number, since it is larger than the sum of its proper divisors (198703508993738).

255405400223302 is a wasteful number, since it uses less digits than its factorization.

255405400223302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758245 (or 4758238 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 255405400223302 its reverse (203322004504552), we get a palindrome (458727404727854).

The spelling of 255405400223302 in words is "two hundred fifty-five trillion, four hundred five billion, four hundred million, two hundred twenty-three thousand, three hundred two".