40433867 has 2 divisors, whose sum is σ = 40433868. Its totient is φ = 40433866.

The previous prime is 40433807. The next prime is 40433893. The reversal of 40433867 is 76833404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40433867 - 2⁸ = 40433611 is a prime.

It is equal to p_2458466 and since 40433867 and 2458466 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40433807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216933 + 20216934.

It is an arithmetic number, because the mean of its divisors is an integer number (20216934).

Almost surely, 2^40433867 is an apocalyptic number.

40433867 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433867 is an equidigital number, since it uses as much as digits as its factorization.

40433867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40433867 is about 6358.7630086362. The cubic root of 40433867 is about 343.2272489879.

The spelling of 40433867 in words is "forty million, four hundred thirty-three thousand, eight hundred sixty-seven".