105426550644738 has 32 divisors (see below), whose sum is σ = 216041021344512. Its totient is φ = 34277888630400.

The previous prime is 105426550644689. The next prime is 105426550644739. The reversal of 105426550644738 is 837446055624501.

It is a super-2 number, since 2×105426550644738² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105426550644739) 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 15 ways as a sum of consecutive naturals, for example, 43624053 + ... + 45977288.

It is an arithmetic number, because the mean of its divisors is an integer number (6751281917016).

Almost surely, 2^{105426550644738} is an apocalyptic number.

105426550644738 is an abundant number, since it is smaller than the sum of its proper divisors (110614470699774).

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

105426550644738 is a wasteful number, since it uses less digits than its factorization.

105426550644738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89606170.

The product of its (nonzero) digits is 96768000, while the sum is 60.

The spelling of 105426550644738 in words is "one hundred five trillion, four hundred twenty-six billion, five hundred fifty million, six hundred forty-four thousand, seven hundred thirty-eight".