40311105 has 16 divisors (see below), whose sum is σ = 64584384. Its totient is φ = 21470400.

The previous prime is 40311091. The next prime is 40311107. The reversal of 40311105 is 50111304.

It is not a de Polignac number, because 40311105 - 2²¹ = 38213953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (40311107) 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, 14487 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (4036524).

Almost surely, 2^40311105 is an apocalyptic number.

It is an amenable number.

40311105 is a deficient number, since it is larger than the sum of its proper divisors (24273279).

40311105 is a wasteful number, since it uses less digits than its factorization.

40311105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40311105 is about 6349.1026925070. The cubic root of 40311105 is about 342.8795373517.

Adding to 40311105 its reverse (50111304), we get a palindrome (90422409).

The spelling of 40311105 in words is "forty million, three hundred eleven thousand, one hundred five".