255742944 has 48 divisors (see below), whose sum is σ = 680540112. Its totient is φ = 84077568.

The previous prime is 255742943. The next prime is 255742961. The reversal of 255742944 is 449247552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 255742896 and 255742905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255742943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11239 + ... + 25254.

It is an arithmetic number, because the mean of its divisors is an integer number (14177919).

Almost surely, 2^255742944 is an apocalyptic number.

255742944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255742944 is an abundant number, since it is smaller than the sum of its proper divisors (424797168).

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

255742944 is a wasteful number, since it uses less digits than its factorization.

255742944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36579 (or 36571 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 255742944 is about 15991.9649824529. The cubic root of 255742944 is about 634.7478230690.

It can be divided in two parts, 255742 and 944, that added together give a triangular number (256686 = T₇₁₆).

The spelling of 255742944 in words is "two hundred fifty-five million, seven hundred forty-two thousand, nine hundred forty-four".