255718374 has 8 divisors (see below), whose sum is σ = 511436760. Its totient is φ = 85239456.

The previous prime is 255718363. The next prime is 255718381. The reversal of 255718374 is 473817552.

It is a sphenic number, since it is the product of 3 distinct primes.

255718374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21309859 + ... + 21309870.

It is an arithmetic number, because the mean of its divisors is an integer number (63929595).

Almost surely, 2^255718374 is an apocalyptic number.

255718374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255718374 is a wasteful number, since it uses less digits than its factorization.

255718374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42619734.

The product of its digits is 235200, while the sum is 42.

The square root of 255718374 is about 15991.1967657208. The cubic root of 255718374 is about 634.7274950354.

The spelling of 255718374 in words is "two hundred fifty-five million, seven hundred eighteen thousand, three hundred seventy-four".