105505244844 has 24 divisors (see below), whose sum is σ = 249646215168. Its totient is φ = 34673084880.

The previous prime is 105505244843. The next prime is 105505244869. The reversal of 105505244844 is 448442505501.

It is a happy number.

It is a super-2 number, since 2×105505244844² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105505244796 and 105505244805.

It is not an unprimeable number, because it can be changed into a prime (105505244843) 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, 61915372 + ... + 61917075.

It is an arithmetic number, because the mean of its divisors is an integer number (10401925632).

Almost surely, 2^105505244844 is an apocalyptic number.

It is an amenable number.

105505244844 is an abundant number, since it is smaller than the sum of its proper divisors (144140970324).

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

105505244844 is a wasteful number, since it uses less digits than its factorization.

105505244844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123832525 (or 123832523 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 42.

The spelling of 105505244844 in words is "one hundred five billion, five hundred five million, two hundred forty-four thousand, eight hundred forty-four".