2389722342256 has 40 divisors (see below), whose sum is σ = 4744353841920. Its totient is φ = 1165450270656.

The previous prime is 2389722342253. The next prime is 2389722342257. The reversal of 2389722342256 is 6522432279832.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2389722342197 and 2389722342206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389722342251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920790 + ... + 2910133.

It is an arithmetic number, because the mean of its divisors is an integer number (118608846048).

Almost surely, 2^{2389722342256} is an apocalyptic number.

It is an amenable number.

2389722342256 is a deficient number, since it is larger than the sum of its proper divisors (2354631499664).

2389722342256 is a wasteful number, since it uses less digits than its factorization.

2389722342256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831693 (or 4831687 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 2389722342256 in words is "two trillion, three hundred eighty-nine billion, seven hundred twenty-two million, three hundred forty-two thousand, two hundred fifty-six".