40179331 has 2 divisors, whose sum is σ = 40179332. Its totient is φ = 40179330.

The previous prime is 40179301. The next prime is 40179341. The reversal of 40179331 is 13397104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40179331 - 2⁷ = 40179203 is a prime.

It is a super-2 number, since 2×40179331² = 3228757279215122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40179331.

It is not a weakly prime, because it can be changed into another prime (40179301) 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 as a sum of consecutive naturals, namely, 20089665 + 20089666.

It is an arithmetic number, because the mean of its divisors is an integer number (20089666).

Almost surely, 2^40179331 is an apocalyptic number.

40179331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40179331 is an equidigital number, since it uses as much as digits as its factorization.

40179331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 40179331 is about 6338.7168259830. The cubic root of 40179331 is about 342.5055136129.

The spelling of 40179331 in words is "forty million, one hundred seventy-nine thousand, three hundred thirty-one".