1440054055521 has 6 divisors (see below), whose sum is σ = 2080078080210. Its totient is φ = 960036037008.

The previous prime is 1440054055501. The next prime is 1440054055529. The reversal of 1440054055521 is 1255504500441.

1440054055521 is a `hidden beast` number, since 1 + 4 + 40 + 0 + 5 + 40 + 55 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1234518765921 + 205535289600 = 1111089^2 + 453360^2 .

It is not a de Polignac number, because 1440054055521 - 2³⁴ = 1422874186337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440054055529) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 80003003076 + ... + 80003003093.

It is an arithmetic number, because the mean of its divisors is an integer number (346679680035).

Almost surely, 2^{1440054055521} is an apocalyptic number.

It is an amenable number.

1440054055521 is a deficient number, since it is larger than the sum of its proper divisors (640024024689).

1440054055521 is a wasteful number, since it uses less digits than its factorization.

1440054055521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160006006175 (or 160006006172 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 1440054055521 its reverse (1255504500441), we get a palindrome (2695558555962).

The spelling of 1440054055521 in words is "one trillion, four hundred forty billion, fifty-four million, fifty-five thousand, five hundred twenty-one".