105406044 has 24 divisors (see below), whose sum is σ = 252595728. Its totient is φ = 34185600.

The previous prime is 105406043. The next prime is 105406057. The reversal of 105406044 is 440604501.

It is a super-2 number, since 2×105406044² = 22220868223459872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105406043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118257 + ... + 119144.

It is an arithmetic number, because the mean of its divisors is an integer number (10524822).

Almost surely, 2^105406044 is an apocalyptic number.

It is an amenable number.

105406044 is an abundant number, since it is smaller than the sum of its proper divisors (147189684).

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

105406044 is a wasteful number, since it uses less digits than its factorization.

105406044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237445 (or 237443 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 105406044 is about 10266.7445668040. The cubic root of 105406044 is about 472.3767400551.

The spelling of 105406044 in words is "one hundred five million, four hundred six thousand, forty-four".