1255071744 has 168 divisors, whose sum is σ = 3756949560. Its totient is φ = 403243008.

The previous prime is 1255071743. The next prime is 1255071749. The reversal of 1255071744 is 4471705521.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1255071699 and 1255071708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255071743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2137819 + ... + 2138405.

It is an arithmetic number, because the mean of its divisors is an integer number (22362795).

Almost surely, 2^1255071744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255071744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878474780).

1255071744 is an abundant number, since it is smaller than the sum of its proper divisors (2501877816).

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

1255071744 is an equidigital number, since it uses as much as digits as its factorization.

1255071744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 1255071744 is about 35426.9917435844. The cubic root of 1255071744 is about 1078.6722778690.

The spelling of 1255071744 in words is "one billion, two hundred fifty-five million, seventy-one thousand, seven hundred forty-four".