40106911 has 6 divisors (see below), whose sum is σ = 43429560. Its totient is φ = 37021608.

The previous prime is 40106909. The next prime is 40106953. The reversal of 40106911 is 11960104.

It is not a de Polignac number, because 40106911 - 2¹ = 40106909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40107911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118491 + ... + 118828.

It is an arithmetic number, because the mean of its divisors is an integer number (7238260).

Almost surely, 2^40106911 is an apocalyptic number.

40106911 is a deficient number, since it is larger than the sum of its proper divisors (3322649).

40106911 is a wasteful number, since it uses less digits than its factorization.

40106911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237345 (or 237332 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 40106911 is about 6333.0017369333. The cubic root of 40106911 is about 342.2996103440.

Subtracting from 40106911 its sum of digits (22), we obtain a square (40106889 = 6333²).

The spelling of 40106911 in words is "forty million, one hundred six thousand, nine hundred eleven".