1244040853200 has 60 divisors (see below), whose sum is σ = 3985077536928. Its totient is φ = 331744227200.

The previous prime is 1244040853171. The next prime is 1244040853213. The reversal of 1244040853200 is 23580404421.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518349156 + ... + 518351555.

Almost surely, 2^{1244040853200} is an apocalyptic number.

1244040853200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244040853200 is an abundant number, since it is smaller than the sum of its proper divisors (2741036683728).

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

1244040853200 is a wasteful number, since it uses less digits than its factorization.

1244040853200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036700732 (or 1036700721 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 1244040853200 in words is "one trillion, two hundred forty-four billion, forty million, eight hundred fifty-three thousand, two hundred".