1440250520441 has 4 divisors (see below), whose sum is σ = 1448575668132. Its totient is φ = 1431925372752.

The previous prime is 1440250520381. The next prime is 1440250520461.

1440250520441 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 682654360441 + 757596160000 = 826229^2 + 870400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440250520441 - 2²² = 1440246326137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440250520398 and 1440250520407.

It is not an unprimeable number, because it can be changed into a prime (1440250520461) 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, 4162573586 + ... + 4162573931.

It is an arithmetic number, because the mean of its divisors is an integer number (362143917033).

Almost surely, 2^{1440250520441} is an apocalyptic number.

It is an amenable number.

1440250520441 is a deficient number, since it is larger than the sum of its proper divisors (8325147691).

1440250520441 is an equidigital number, since it uses as much as digits as its factorization.

1440250520441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325147690.

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 1440250 and 520441, that added together give a palindrome (1960691).

The spelling of 1440250520441 in words is "one trillion, four hundred forty billion, two hundred fifty million, five hundred twenty thousand, four hundred forty-one".