255778843030 has 16 divisors (see below), whose sum is σ = 484633597680. Its totient is φ = 96926719392.

The previous prime is 255778843013. The next prime is 255778843031. The reversal of 255778843030 is 30348877552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255778843031) 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, 673102029 + ... + 673102408.

It is an arithmetic number, because the mean of its divisors is an integer number (30289599855).

Almost surely, 2^255778843030 is an apocalyptic number.

255778843030 is a deficient number, since it is larger than the sum of its proper divisors (228854754650).

255778843030 is a wasteful number, since it uses less digits than its factorization.

255778843030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346204463.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 255778843030 in words is "two hundred fifty-five billion, seven hundred seventy-eight million, eight hundred forty-three thousand, thirty".