255746544 has 80 divisors (see below), whose sum is σ = 677528064. Its totient is φ = 83104000.

The previous prime is 255746539. The next prime is 255746551. The reversal of 255746544 is 445647552.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 255746496 and 255746505.

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, 343837 + ... + 344579.

Almost surely, 2^255746544 is an apocalyptic number.

255746544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255746544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338764032).

255746544 is an abundant number, since it is smaller than the sum of its proper divisors (421781520).

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

255746544 is a wasteful number, since it uses less digits than its factorization.

255746544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 920 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

The square root of 255746544 is about 15992.0775385814. The cubic root of 255746544 is about 634.7508014261.

The spelling of 255746544 in words is "two hundred fifty-five million, seven hundred forty-six thousand, five hundred forty-four".