1255846823280 has 120 divisors (see below), whose sum is σ = 4820059731552. Its totient is φ = 287050701312.

The previous prime is 1255846823267. The next prime is 1255846823281. The reversal of 1255846823280 is 823286485521.

1255846823280 is a `hidden beast` number, since 1 + 2 + 558 + 4 + 6 + 8 + 2 + 3 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255846823281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124582939 + ... + 124593018.

Almost surely, 2^{1255846823280} is an apocalyptic number.

1255846823280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255846823280 is an abundant number, since it is smaller than the sum of its proper divisors (3564212908272).

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

1255846823280 is a wasteful number, since it uses less digits than its factorization.

1255846823280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249175983 (or 249175974 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 1255846823280 in words is "one trillion, two hundred fifty-five billion, eight hundred forty-six million, eight hundred twenty-three thousand, two hundred eighty".