40166407331 has 4 divisors (see below), whose sum is σ = 42529137192. Its totient is φ = 37803677472.

The previous prime is 40166407319. The next prime is 40166407361. The reversal of 40166407331 is 13370466104.

40166407331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40166407331 - 2¹⁴ = 40166390947 is a prime.

It is a super-2 number, since 2×40166407331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40166407291 and 40166407300.

It is not an unprimeable number, because it can be changed into a prime (40166407361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181364905 + ... + 1181364938.

It is an arithmetic number, because the mean of its divisors is an integer number (10632284298).

Almost surely, 2^40166407331 is an apocalyptic number.

40166407331 is a deficient number, since it is larger than the sum of its proper divisors (2362729861).

40166407331 is a wasteful number, since it uses less digits than its factorization.

40166407331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362729860.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 40166407331 in words is "forty billion, one hundred sixty-six million, four hundred seven thousand, three hundred thirty-one".