1440604450441 has 6 divisors (see below), whose sum is σ = 1559944464270. Its totient is φ = 1329788723328.

The previous prime is 1440604450409. The next prime is 1440604450447. The reversal of 1440604450441 is 1440544060441.

It can be written as a sum of positive squares in 3 ways, for example, as 11135525625 + 1429468924816 = 105525^2 + 1195604^2 .

It is not a de Polignac number, because 1440604450441 - 2⁵ = 1440604450409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440604450441.

It is not an unprimeable number, because it can be changed into a prime (1440604450447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4262143176 + ... + 4262143513.

It is an arithmetic number, because the mean of its divisors is an integer number (259990744045).

Almost surely, 2^{1440604450441} is an apocalyptic number.

It is an amenable number.

1440604450441 is a deficient number, since it is larger than the sum of its proper divisors (119340013829).

1440604450441 is an equidigital number, since it uses as much as digits as its factorization.

1440604450441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524286715 (or 8524286702 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 1440604450441 in words is "one trillion, four hundred forty billion, six hundred four million, four hundred fifty thousand, four hundred forty-one".