1440111022401 has 16 divisors (see below), whose sum is σ = 1982141888000. Its totient is φ = 929078760960.

The previous prime is 1440111022393. The next prime is 1440111022451. The reversal of 1440111022401 is 1042201110441.

It is not a de Polignac number, because 1440111022401 - 2³ = 1440111022393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440111022451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3623475 + ... + 4001223.

It is an arithmetic number, because the mean of its divisors is an integer number (123883868000).

Almost surely, 2^{1440111022401} is an apocalyptic number.

It is an amenable number.

1440111022401 is a deficient number, since it is larger than the sum of its proper divisors (542030865599).

1440111022401 is a wasteful number, since it uses less digits than its factorization.

1440111022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418776.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1440111022401 its reverse (1042201110441), we get a palindrome (2482312132842).

The spelling of 1440111022401 in words is "one trillion, four hundred forty billion, one hundred eleven million, twenty-two thousand, four hundred one".