1444296652240 has 80 divisors (see below), whose sum is σ = 3617522370000. Its totient is φ = 533098008576.

The previous prime is 1444296652223. The next prime is 1444296652261. The reversal of 1444296652240 is 422566924441.

It can be written as a sum of positive squares in 8 ways, for example, as 342754044304 + 1101542607936 = 585452^2 + 1049544^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853886 + ... + 3321634.

It is an arithmetic number, because the mean of its divisors is an integer number (45219029625).

Almost surely, 2^{1444296652240} is an apocalyptic number.

1444296652240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444296652240 is an abundant number, since it is smaller than the sum of its proper divisors (2173225717760).

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

1444296652240 is a wasteful number, since it uses less digits than its factorization.

1444296652240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470744 (or 470738 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 1444296652240 in words is "one trillion, four hundred forty-four billion, two hundred ninety-six million, six hundred fifty-two thousand, two hundred forty".