105444044140 has 12 divisors (see below), whose sum is σ = 221432492736. Its totient is φ = 42177617648.

The previous prime is 105444044131. The next prime is 105444044141. The reversal of 105444044140 is 41440444501.

It is a super-2 number, since 2×105444044140² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105444044141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636101084 + ... + 2636101123.

It is an arithmetic number, because the mean of its divisors is an integer number (18452707728).

Almost surely, 2^105444044140 is an apocalyptic number.

105444044140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105444044140 is an abundant number, since it is smaller than the sum of its proper divisors (115988448596).

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

105444044140 is a wasteful number, since it uses less digits than its factorization.

105444044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272202216 (or 5272202214 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 105444044140 its reverse (41440444501), we get a palindrome (146884488641).

The spelling of 105444044140 in words is "one hundred five billion, four hundred forty-four million, forty-four thousand, one hundred forty".