27022343838 has 16 divisors (see below), whose sum is σ = 61765357440. Its totient is φ = 7720669656.

The previous prime is 27022343827. The next prime is 27022343839. The reversal of 27022343838 is 83834322072.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 643389139 = 27022343838 / (2 + 7 + 0 + 2 + 2 + 3 + 4 + 3 + 8 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 27022343838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27022343839) 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, 321694528 + ... + 321694611.

It is an arithmetic number, because the mean of its divisors is an integer number (3860334840).

Almost surely, 2^27022343838 is an apocalyptic number.

27022343838 is an abundant number, since it is smaller than the sum of its proper divisors (34743013602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27022343838 is a wasteful number, since it uses less digits than its factorization.

27022343838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643389151.

The product of its (nonzero) digits is 387072, while the sum is 42.

It can be divided in two parts, 2702234 and 3838, that added together give a palindrome (2706072).

The spelling of 27022343838 in words is "twenty-seven billion, twenty-two million, three hundred forty-three thousand, eight hundred thirty-eight".