1440144402441 has 4 divisors (see below), whose sum is σ = 1920192536592. Its totient is φ = 960096268292.

The previous prime is 1440144402407. The next prime is 1440144402469. The reversal of 1440144402441 is 1442044410441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1440144402441 - 2¹¹ = 1440144400393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440144402481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240024067071 + ... + 240024067076.

It is an arithmetic number, because the mean of its divisors is an integer number (480048134148).

Almost surely, 2^{1440144402441} is an apocalyptic number.

It is an amenable number.

1440144402441 is a deficient number, since it is larger than the sum of its proper divisors (480048134151).

1440144402441 is an equidigital number, since it uses as much as digits as its factorization.

1440144402441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480048134150.

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 1440144402441 its reverse (1442044410441), we get a palindrome (2882188812882).

The spelling of 1440144402441 in words is "one trillion, four hundred forty billion, one hundred forty-four million, four hundred two thousand, four hundred forty-one".