255132255735378 has 64 divisors (see below), whose sum is σ = 647962145187840. Its totient is φ = 72894119086800.

The previous prime is 255132255735359. The next prime is 255132255735391. The reversal of 255132255735378 is 873537552231552.

255132255735378 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 3 + 2 + 2 + 5 + 573 + 53 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30677323 + ... + 38096753.

It is an arithmetic number, because the mean of its divisors is an integer number (10124408518560).

Almost surely, 2^{255132255735378} is an apocalyptic number.

255132255735378 is an abundant number, since it is smaller than the sum of its proper divisors (392829889452462).

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

255132255735378 is a wasteful number, since it uses less digits than its factorization.

255132255735378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7510420 (or 7510414 counting only the distinct ones).

The product of its digits is 264600000, while the sum is 63.

The spelling of 255132255735378 in words is "two hundred fifty-five trillion, one hundred thirty-two billion, two hundred fifty-five million, seven hundred thirty-five thousand, three hundred seventy-eight".