255534451542 has 32 divisors (see below), whose sum is σ = 601257535200. Its totient is φ = 80167670784.

The previous prime is 255534451537. The next prime is 255534451561. The reversal of 255534451542 is 245154435552.

255534451542 is a `hidden beast` number, since 2 + 5 + 5 + 53 + 4 + 4 + 51 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139179067 + ... + 139180902.

It is an arithmetic number, because the mean of its divisors is an integer number (18789297975).

Almost surely, 2^255534451542 is an apocalyptic number.

255534451542 is an abundant number, since it is smaller than the sum of its proper divisors (345723083658).

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

255534451542 is a wasteful number, since it uses less digits than its factorization.

255534451542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278359997 (or 278359991 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 45.

The spelling of 255534451542 in words is "two hundred fifty-five billion, five hundred thirty-four million, four hundred fifty-one thousand, five hundred forty-two".