1444301143440 has 80 divisors (see below), whose sum is σ = 4483561248000. Its totient is φ = 384611255296.

The previous prime is 1444301143403. The next prime is 1444301143457. The reversal of 1444301143440 is 443411034441.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4012365 + ... + 4357484.

It is an arithmetic number, because the mean of its divisors is an integer number (56044515600).

Almost surely, 2^{1444301143440} is an apocalyptic number.

1444301143440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444301143440 is an abundant number, since it is smaller than the sum of its proper divisors (3039260104560).

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

1444301143440 is a wasteful number, since it uses less digits than its factorization.

1444301143440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370584 (or 8370578 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1444301143440 its reverse (443411034441), we get a palindrome (1887712177881).

The spelling of 1444301143440 in words is "one trillion, four hundred forty-four billion, three hundred one million, one hundred forty-three thousand, four hundred forty".