255513744 has 80 divisors (see below), whose sum is σ = 738464640. Its totient is φ = 84585600.

The previous prime is 255513707. The next prime is 255513773. The reversal of 255513744 is 447315552.

255513744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 255513699 and 255513708.

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, 63274 + ... + 67190.

It is an arithmetic number, because the mean of its divisors is an integer number (9230808).

Almost surely, 2^255513744 is an apocalyptic number.

255513744 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 255513744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369232320).

255513744 is an abundant number, since it is smaller than the sum of its proper divisors (482950896).

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

255513744 is a wasteful number, since it uses less digits than its factorization.

255513744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085 (or 4073 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 255513744 is about 15984.7972774133. The cubic root of 255513744 is about 634.5581434347.

The spelling of 255513744 in words is "two hundred fifty-five million, five hundred thirteen thousand, seven hundred forty-four".