255315401433 has 80 divisors (see below), whose sum is σ = 413349552000. Its totient is φ = 156520615680.

The previous prime is 255315401417. The next prime is 255315401443. The reversal of 255315401433 is 334104513552.

255315401433 is a `hidden beast` number, since 2 + 55 + 31 + 540 + 1 + 4 + 33 = 666.

It is not a de Polignac number, because 255315401433 - 2⁴ = 255315401417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255315401443) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12546535 + ... + 12566867.

It is an arithmetic number, because the mean of its divisors is an integer number (5166869400).

Almost surely, 2^255315401433 is an apocalyptic number.

It is an amenable number.

255315401433 is a deficient number, since it is larger than the sum of its proper divisors (158034150567).

255315401433 is a wasteful number, since it uses less digits than its factorization.

255315401433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604 (or 20595 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 255315401433 its reverse (334104513552), we get a palindrome (589419914985).

The spelling of 255315401433 in words is "two hundred fifty-five billion, three hundred fifteen million, four hundred one thousand, four hundred thirty-three".