223440066205456 has 20 divisors (see below), whose sum is σ = 436961064054672. Its totient is φ = 110675920642976.

The previous prime is 223440066205453. The next prime is 223440066205471. The reversal of 223440066205456 is 654502660044322.

223440066205456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223440066205453) 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, 65257026970 + ... + 65257030393.

Almost surely, 2^{223440066205456} is an apocalyptic number.

It is an amenable number.

223440066205456 is a deficient number, since it is larger than the sum of its proper divisors (213520997849216).

223440066205456 is a wasteful number, since it uses less digits than its factorization.

223440066205456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130514057478 (or 130514057472 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 223440066205456 in words is "two hundred twenty-three trillion, four hundred forty billion, sixty-six million, two hundred five thousand, four hundred fifty-six".