255603013044 has 12 divisors (see below), whose sum is σ = 596407030464. Its totient is φ = 85201004344.

The previous prime is 255603013037. The next prime is 255603013051. The reversal of 255603013044 is 440310306552.

It is an interprime number because it is at equal distance from previous prime (255603013037) and next prime (255603013051).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 255603012996 and 255603013014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10650125532 + ... + 10650125555.

It is an arithmetic number, because the mean of its divisors is an integer number (49700585872).

Almost surely, 2^255603013044 is an apocalyptic number.

It is an amenable number.

255603013044 is an abundant number, since it is smaller than the sum of its proper divisors (340804017420).

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

255603013044 is a wasteful number, since it uses less digits than its factorization.

255603013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300251094 (or 21300251092 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 255603013044 its reverse (440310306552), we get a palindrome (695913319596).

The spelling of 255603013044 in words is "two hundred fifty-five billion, six hundred three million, thirteen thousand, forty-four".