255543373494 has 48 divisors (see below), whose sum is σ = 570166623312. Its totient is φ = 82656656064.

The previous prime is 255543373441. The next prime is 255543373523. The reversal of 255543373494 is 494373345552.

255543373494 is a `hidden beast` number, since 2 + 5 + 5 + 54 + 33 + 73 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 255543373494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265924 + ... + 762759.

It is an arithmetic number, because the mean of its divisors is an integer number (11878471319).

Almost surely, 2^255543373494 is an apocalyptic number.

255543373494 is an abundant number, since it is smaller than the sum of its proper divisors (314623249818).

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

255543373494 is a wasteful number, since it uses less digits than its factorization.

255543373494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029101 (or 1029098 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 54.

The spelling of 255543373494 in words is "two hundred fifty-five billion, five hundred forty-three million, three hundred seventy-three thousand, four hundred ninety-four".