2255438894 has 8 divisors (see below), whose sum is σ = 3383554680. Its totient is φ = 1127587336.

The previous prime is 2255438893. The next prime is 2255438897. The reversal of 2255438894 is 4988345522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255438891) 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, 43124 + ... + 79815.

It is an arithmetic number, because the mean of its divisors is an integer number (422944335).

Almost surely, 2^2255438894 is an apocalyptic number.

2255438894 is a deficient number, since it is larger than the sum of its proper divisors (1128115786).

2255438894 is a wasteful number, since it uses less digits than its factorization.

2255438894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132114.

The product of its digits is 2764800, while the sum is 50.

The square root of 2255438894 is about 47491.4612746334. The cubic root of 2255438894 is about 1311.4256944944.

The spelling of 2255438894 in words is "two billion, two hundred fifty-five million, four hundred thirty-eight thousand, eight hundred ninety-four".