440121002165063 has 16 divisors (see below), whose sum is σ = 451703336265216. Its totient is φ = 428660151179520.

The previous prime is 440121002165057. The next prime is 440121002165111. The reversal of 440121002165063 is 360561200121044.

It is a cyclic number.

It is not a de Polignac number, because 440121002165063 - 2⁶ = 440121002164999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440121002165263) 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, 783769370 + ... + 784330712.

It is an arithmetic number, because the mean of its divisors is an integer number (28231458516576).

Almost surely, 2^{440121002165063} is an apocalyptic number.

440121002165063 is a deficient number, since it is larger than the sum of its proper divisors (11582334100153).

440121002165063 is a wasteful number, since it uses less digits than its factorization.

440121002165063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669514.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 440121002165063 in words is "four hundred forty trillion, one hundred twenty-one billion, two million, one hundred sixty-five thousand, sixty-three".