1255755776 has 104 divisors (see below), whose sum is σ = 2802501504. Its totient is φ = 557711360.

The previous prime is 1255755773. The next prime is 1255755827. The reversal of 1255755776 is 6775575521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255755773) 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, 2117336 + ... + 2117928.

Almost surely, 2^1255755776 is an apocalyptic number.

1255755776 is a gapful number since it is divisible by the number (16) 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 1255755776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401250752).

1255755776 is an abundant number, since it is smaller than the sum of its proper divisors (1546745728).

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

1255755776 is an equidigital number, since it uses as much as digits as its factorization.

1255755776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 653 counting only the distinct ones).

The product of its digits is 2572500, while the sum is 50.

The square root of 1255755776 is about 35436.6445364117. The cubic root of 1255755776 is about 1078.8682062038.

The spelling of 1255755776 in words is "one billion, two hundred fifty-five million, seven hundred fifty-five thousand, seven hundred seventy-six".