1255703768 has 64 divisors (see below), whose sum is σ = 2821305600. Its totient is φ = 517207680.

The previous prime is 1255703767. The next prime is 1255703773. The reversal of 1255703768 is 8673075521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255703767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22130 + ... + 54782.

It is an arithmetic number, because the mean of its divisors is an integer number (44082900).

Almost surely, 2^1255703768 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 1255703768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410652800).

1255703768 is an abundant number, since it is smaller than the sum of its proper divisors (1565601832).

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

1255703768 is a wasteful number, since it uses less digits than its factorization.

1255703768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32712 (or 32708 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 1255703768 is about 35435.9107121575. The cubic root of 1255703768 is about 1078.8533119722.

The spelling of 1255703768 in words is "one billion, two hundred fifty-five million, seven hundred three thousand, seven hundred sixty-eight".