255400044 has 24 divisors (see below), whose sum is σ = 630988848. Its totient is φ = 80125440.

The previous prime is 255400039. The next prime is 255400049. The reversal of 255400044 is 440004552.

255400044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255400039) and next prime (255400049).

It is a junction number, because it is equal to n+sod(n) for n = 255399987 and 255400023.

It is not an unprimeable number, because it can be changed into a prime (255400049) 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, 625777 + ... + 626184.

It is an arithmetic number, because the mean of its divisors is an integer number (26291202).

Almost surely, 2^255400044 is an apocalyptic number.

It is an amenable number.

255400044 is an abundant number, since it is smaller than the sum of its proper divisors (375588804).

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

255400044 is a wasteful number, since it uses less digits than its factorization.

255400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251985 (or 1251983 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 255400044 is about 15981.2403773925. The cubic root of 255400044 is about 634.4640063389.

Adding to 255400044 its reverse (440004552), we get a palindrome (695404596).

The spelling of 255400044 in words is "two hundred fifty-five million, four hundred thousand, forty-four".