40405332111 has 16 divisors (see below), whose sum is σ = 55345267200. Its totient is φ = 26201549088.

The previous prime is 40405332061. The next prime is 40405332139. The reversal of 40405332111 is 11123350404.

It is a happy number.

It is not a de Polignac number, because 40405332111 - 2⁹ = 40405331599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40405332181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363870 + ... + 461748.

It is an arithmetic number, because the mean of its divisors is an integer number (3459079200).

Almost surely, 2^40405332111 is an apocalyptic number.

40405332111 is a deficient number, since it is larger than the sum of its proper divisors (14939935089).

40405332111 is a wasteful number, since it uses less digits than its factorization.

40405332111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101638.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40405332111 its reverse (11123350404), we get a palindrome (51528682515).

The spelling of 40405332111 in words is "forty billion, four hundred five million, three hundred thirty-two thousand, one hundred eleven".