1260255744 has 360 divisors, whose sum is σ = 4236103872. Its totient is φ = 357519360.

The previous prime is 1260255743. The next prime is 1260255749. The reversal of 1260255744 is 4475520621.

It is a happy number.

1260255744 is a `hidden beast` number, since 1 + 2 + 60 + 2 + 557 + 44 = 666.

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 = 1260255699 and 1260255708.

It is not an unprimeable number, because it can be changed into a prime (1260255743) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26813929 + ... + 26813975.

Almost surely, 2^1260255744 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 1260255744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118051936).

1260255744 is an abundant number, since it is smaller than the sum of its proper divisors (2975848128).

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

1260255744 is a wasteful number, since it uses less digits than its factorization.

1260255744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1260255744 is about 35500.0809013163. The cubic root of 1260255744 is about 1080.1553685941.

It can be divided in two parts, 126025 and 5744, that added together give a square (131769 = 363²).

The spelling of 1260255744 in words is "one billion, two hundred sixty million, two hundred fifty-five thousand, seven hundred forty-four".