40931105 has 16 divisors (see below), whose sum is σ = 50322384. Its totient is φ = 31948800.

The previous prime is 40931101. The next prime is 40931113. The reversal of 40931105 is 50113904.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11587216 + 29343889 = 3404^2 + 5417^2 .

It is not a de Polignac number, because 40931105 - 2² = 40931101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40931101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67805 + ... + 68405.

It is an arithmetic number, because the mean of its divisors is an integer number (3145149).

Almost surely, 2^40931105 is an apocalyptic number.

It is an amenable number.

40931105 is a deficient number, since it is larger than the sum of its proper divisors (9391279).

40931105 is a wasteful number, since it uses less digits than its factorization.

40931105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 40931105 is about 6397.7421798631. The cubic root of 40931105 is about 344.6284735371.

The spelling of 40931105 in words is "forty million, nine hundred thirty-one thousand, one hundred five".