1440532422449 has 4 divisors (see below), whose sum is σ = 1440536893440. Its totient is φ = 1440527951460.

The previous prime is 1440532422443. The next prime is 1440532422463. The reversal of 1440532422449 is 9442242350441.

It is a happy number.

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 1440532422449 - 2²⁰ = 1440531373873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1440532422443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711217 + ... + 2410254.

It is an arithmetic number, because the mean of its divisors is an integer number (360134223360).

Almost surely, 2^{1440532422449} is an apocalyptic number.

It is an amenable number.

1440532422449 is a deficient number, since it is larger than the sum of its proper divisors (4470991).

1440532422449 is an equidigital number, since it uses as much as digits as its factorization.

1440532422449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470990.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 1440532422449 in words is "one trillion, four hundred forty billion, five hundred thirty-two million, four hundred twenty-two thousand, four hundred forty-nine".