1444054113440 has 48 divisors (see below), whose sum is σ = 3411779956200. Its totient is φ = 577587425280.

The previous prime is 1444054113409. The next prime is 1444054113497. The reversal of 1444054113440 is 443114504441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1307482476304 + 136571637136 = 1143452^2 + 369556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1444054113440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533220 + ... + 3050460.

Almost surely, 2^{1444054113440} is an apocalyptic number.

1444054113440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444054113440 is an abundant number, since it is smaller than the sum of its proper divisors (1967725842760).

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

1444054113440 is a wasteful number, since it uses less digits than its factorization.

1444054113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534705 (or 534697 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 1444054113440 its reverse (443114504441), we get a palindrome (1887168617881).

The spelling of 1444054113440 in words is "one trillion, four hundred forty-four billion, fifty-four million, one hundred thirteen thousand, four hundred forty".