105420341044 has 12 divisors (see below), whose sum is σ = 195337690884. Its totient is φ = 49609572224.

The previous prime is 105420341023. The next prime is 105420341099. The reversal of 105420341044 is 440143024501.

It can be written as a sum of positive squares in 2 ways, for example, as 75070520100 + 30349820944 = 273990^2 + 174212^2 .

It is a super-3 number, since 3×105420341044³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 775149499 + ... + 775149634.

It is an arithmetic number, because the mean of its divisors is an integer number (16278140907).

Almost surely, 2^105420341044 is an apocalyptic number.

It is an amenable number.

105420341044 is a deficient number, since it is larger than the sum of its proper divisors (89917349840).

105420341044 is a wasteful number, since it uses less digits than its factorization.

105420341044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550299154 (or 1550299152 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 105420341044 its reverse (440143024501), we get a palindrome (545563365545).

The spelling of 105420341044 in words is "one hundred five billion, four hundred twenty million, three hundred forty-one thousand, forty-four".