40931327 has 4 divisors (see below), whose sum is σ = 40955856. Its totient is φ = 40906800.

The previous prime is 40931311. The next prime is 40931333. The reversal of 40931327 is 72313904.

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 40931327 - 2⁴ = 40931311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40931327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40931347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (10238964).

Almost surely, 2^40931327 is an apocalyptic number.

40931327 is a deficient number, since it is larger than the sum of its proper divisors (24529).

40931327 is a wasteful number, since it uses less digits than its factorization.

40931327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40931327 is about 6397.7595297104. The cubic root of 40931327 is about 344.6290965953.

The spelling of 40931327 in words is "forty million, nine hundred thirty-one thousand, three hundred twenty-seven".