255440044552 has 128 divisors (see below), whose sum is σ = 608696570880. Its totient is φ = 97613280000.

The previous prime is 255440044543. The next prime is 255440044553.

255440044552 is nontrivially palindromic in base 10.

255440044552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255440044553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6637927 + ... + 6676297.

It is an arithmetic number, because the mean of its divisors is an integer number (4755441960).

Almost surely, 2^255440044552 is an apocalyptic number.

255440044552 is a gapful number since it is divisible by the number (22) 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 255440044552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304348285440).

255440044552 is an abundant number, since it is smaller than the sum of its proper divisors (353256526328).

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

255440044552 is a wasteful number, since it uses less digits than its factorization.

255440044552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38603 (or 38599 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

It can be divided in two parts, 2554400 and 44552, that added together give a palindrome (2598952).

The spelling of 255440044552 in words is "two hundred fifty-five billion, four hundred forty million, forty-four thousand, five hundred fifty-two".