2255138799 has 8 divisors (see below), whose sum is σ = 3137584512. Its totient is φ = 1438059480.

The previous prime is 2255138777. The next prime is 2255138813. The reversal of 2255138799 is 9978315522.

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

It is not a de Polignac number, because 2255138799 - 2¹² = 2255134703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255138749) 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, 16341517 + ... + 16341654.

It is an arithmetic number, because the mean of its divisors is an integer number (392198064).

Almost surely, 2^2255138799 is an apocalyptic number.

2255138799 is a deficient number, since it is larger than the sum of its proper divisors (882445713).

2255138799 is a wasteful number, since it uses less digits than its factorization.

2255138799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32683197.

The product of its digits is 1360800, while the sum is 51.

The square root of 2255138799 is about 47488.3017068414. The cubic root of 2255138799 is about 1311.3675284687.

The spelling of 2255138799 in words is "two billion, two hundred fifty-five million, one hundred thirty-eight thousand, seven hundred ninety-nine".