105443442340 has 24 divisors (see below), whose sum is σ = 233085504960. Its totient is φ = 39957514848.

The previous prime is 105443442319. The next prime is 105443442347. The reversal of 105443442340 is 43244344501.

It is a super-2 number, since 2×105443442340² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105443442296 and 105443442305.

It is not an unprimeable number, because it can be changed into a prime (105443442347) 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 7 ways as a sum of consecutive naturals, for example, 138740992 + ... + 138741751.

It is an arithmetic number, because the mean of its divisors is an integer number (9711896040).

Almost surely, 2^105443442340 is an apocalyptic number.

105443442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105443442340 is an abundant number, since it is smaller than the sum of its proper divisors (127642062620).

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

105443442340 is a wasteful number, since it uses less digits than its factorization.

105443442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277482771 (or 277482769 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 105443442340 its reverse (43244344501), we get a palindrome (148687786841).

The spelling of 105443442340 in words is "one hundred five billion, four hundred forty-three million, four hundred forty-two thousand, three hundred forty".