1440424443041 has 4 divisors (see below), whose sum is σ = 1440432657300. Its totient is φ = 1440416228784.

The previous prime is 1440424443001. The next prime is 1440424443053. The reversal of 1440424443041 is 1403444240441.

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 142887024016 + 1297537419025 = 378004^2 + 1139095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440424443041 - 2²² = 1440420248737 is a prime.

It is a super-2 number, since 2×1440424443041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440424442992 and 1440424443010.

It is not an unprimeable number, because it can be changed into a prime (1440424443001) 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, 3838226 + ... + 4196763.

It is an arithmetic number, because the mean of its divisors is an integer number (360108164325).

Almost surely, 2^{1440424443041} is an apocalyptic number.

It is an amenable number.

1440424443041 is a deficient number, since it is larger than the sum of its proper divisors (8214259).

1440424443041 is an equidigital number, since it uses as much as digits as its factorization.

1440424443041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214258.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 1440424443041 its reverse (1403444240441), we get a palindrome (2843868683482).

The spelling of 1440424443041 in words is "one trillion, four hundred forty billion, four hundred twenty-four million, four hundred forty-three thousand, forty-one".