1244397045984 has 96 divisors (see below), whose sum is σ = 3289265794080. Its totient is φ = 411921088512.

The previous prime is 1244397045959. The next prime is 1244397046001. The reversal of 1244397045984 is 4895407934421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10483414 + ... + 10601450.

It is an arithmetic number, because the mean of its divisors is an integer number (34263185355).

Almost surely, 2^{1244397045984} 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 1244397045984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644632897040).

1244397045984 is an abundant number, since it is smaller than the sum of its proper divisors (2044868748096).

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

1244397045984 is a wasteful number, since it uses less digits than its factorization.

1244397045984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118812 (or 118804 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 1244397045984 in words is "one trillion, two hundred forty-four billion, three hundred ninety-seven million, forty-five thousand, nine hundred eighty-four".