1444356041553 has 12 divisors (see below), whose sum is σ = 2117430748368. Its totient is φ = 948532325400.

The previous prime is 1444356041521. The next prime is 1444356041591. The reversal of 1444356041553 is 3551406534441.

1444356041553 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 3 + 56 + 0 + 41 + 553 = 666.

It is not a de Polignac number, because 1444356041553 - 2⁵ = 1444356041521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1444356041499 and 1444356041508.

It is not an unprimeable number, because it can be changed into a prime (1444356041593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1197641223 + ... + 1197642428.

It is an arithmetic number, because the mean of its divisors is an integer number (176452562364).

Almost surely, 2^{1444356041553} is an apocalyptic number.

It is an amenable number.

1444356041553 is a deficient number, since it is larger than the sum of its proper divisors (673074706815).

1444356041553 is a wasteful number, since it uses less digits than its factorization.

1444356041553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395283724 (or 2395283721 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 1444356041553 in words is "one trillion, four hundred forty-four billion, three hundred fifty-six million, forty-one thousand, five hundred fifty-three".