1400444344401 has 16 divisors (see below), whose sum is σ = 1893882332160. Its totient is φ = 920322457040.

The previous prime is 1400444344393. The next prime is 1400444344423. The reversal of 1400444344401 is 1044434440041.

It is a cyclic number.

It is not a de Polignac number, because 1400444344401 - 2³ = 1400444344393 is a prime.

It is a super-3 number, since 3×1400444344401³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1400444344471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693046 + ... + 1811408.

It is an arithmetic number, because the mean of its divisors is an integer number (118367645760).

Almost surely, 2^{1400444344401} is an apocalyptic number.

It is an amenable number.

1400444344401 is a deficient number, since it is larger than the sum of its proper divisors (493437987759).

1400444344401 is a wasteful number, since it uses less digits than its factorization.

1400444344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124316.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 1400444344401 its reverse (1044434440041), we get a palindrome (2444878784442).

The spelling of 1400444344401 in words is "one trillion, four hundred billion, four hundred forty-four million, three hundred forty-four thousand, four hundred one".