255433539760 has 80 divisors (see below), whose sum is σ = 678838248000. Its totient is φ = 87562395648.

The previous prime is 255433539733. The next prime is 255433539761. The reversal of 255433539760 is 67935334552.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 255433539698 and 255433539707.

It is not an unprimeable number, because it can be changed into a prime (255433539761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576076 + ... + 3646804.

It is an arithmetic number, because the mean of its divisors is an integer number (8485478100).

Almost surely, 2^255433539760 is an apocalyptic number.

255433539760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255433539760 is an abundant number, since it is smaller than the sum of its proper divisors (423404708240).

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

255433539760 is a wasteful number, since it uses less digits than its factorization.

255433539760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77198 (or 77192 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 52.

The spelling of 255433539760 in words is "two hundred fifty-five billion, four hundred thirty-three million, five hundred thirty-nine thousand, seven hundred sixty".