13844523522 has 32 divisors (see below), whose sum is σ = 28152573120. Its totient is φ = 4537638720.

The previous prime is 13844523521. The next prime is 13844523547. The reversal of 13844523522 is 22532544831.

It is a super-2 number, since 2×13844523522² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13844523521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640229 + ... + 1648647.

It is an arithmetic number, because the mean of its divisors is an integer number (879767910).

Almost surely, 2^13844523522 is an apocalyptic number.

13844523522 is an abundant number, since it is smaller than the sum of its proper divisors (14308049598).

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

13844523522 is a wasteful number, since it uses less digits than its factorization.

13844523522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978.

The product of its digits is 230400, while the sum is 39.

The spelling of 13844523522 in words is "thirteen billion, eight hundred forty-four million, five hundred twenty-three thousand, five hundred twenty-two".