1255356544 has 32 divisors (see below), whose sum is σ = 2693286540. Its totient is φ = 579394560.

The previous prime is 1255356539. The next prime is 1255356547. The reversal of 1255356544 is 4456535521.

It can be written as a sum of positive squares in 2 ways, for example, as 1189422144 + 65934400 = 34488^2 + 8120^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1255356497 and 1255356506.

It is not an unprimeable number, because it can be changed into a prime (1255356547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375547 + ... + 378874.

Almost surely, 2^1255356544 is an apocalyptic number.

It is an amenable number.

1255356544 is an abundant number, since it is smaller than the sum of its proper divisors (1437929996).

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

1255356544 is an equidigital number, since it uses as much as digits as its factorization.

1255356544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754448 (or 754436 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 1255356544 is about 35431.0110496441. The cubic root of 1255356544 is about 1078.7538622173.

The spelling of 1255356544 in words is "one billion, two hundred fifty-five million, three hundred fifty-six thousand, five hundred forty-four".