255142432550 has 48 divisors (see below), whose sum is σ = 489952105344. Its totient is φ = 98748960000.

The previous prime is 255142432537. The next prime is 255142432553. The reversal of 255142432550 is 55234241552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255142432553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15586370 + ... + 15602730.

It is an arithmetic number, because the mean of its divisors is an integer number (10207335528).

Almost surely, 2^255142432550 is an apocalyptic number.

255142432550 is a deficient number, since it is larger than the sum of its proper divisors (234809672794).

255142432550 is a wasteful number, since it uses less digits than its factorization.

255142432550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26465 (or 26460 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 255142432550 in words is "two hundred fifty-five billion, one hundred forty-two million, four hundred thirty-two thousand, five hundred fifty".