255053440 has 64 divisors (see below), whose sum is σ = 636284160. Its totient is φ = 97580032.

The previous prime is 255053423. The next prime is 255053453. The reversal of 255053440 is 44350552.

255053440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 255053399 and 255053408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6057 + ... + 23383.

It is an arithmetic number, because the mean of its divisors is an integer number (9941940).

Almost surely, 2^255053440 is an apocalyptic number.

255053440 is a gapful number since it is divisible by the number (20) 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 255053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318142080).

255053440 is an abundant number, since it is smaller than the sum of its proper divisors (381230720).

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

255053440 is a wasteful number, since it uses less digits than its factorization.

255053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17369 (or 17357 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 255053440 is about 15970.3926063200. The cubic root of 255053440 is about 634.1768655418.

The spelling of 255053440 in words is "two hundred fifty-five million, fifty-three thousand, four hundred forty".