40433807 has 2 divisors, whose sum is σ = 40433808. Its totient is φ = 40433806.

The previous prime is 40433777. The next prime is 40433867. The reversal of 40433807 is 70833404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40433807 - 2²² = 36239503 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40433807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216903 + 20216904.

It is an arithmetic number, because the mean of its divisors is an integer number (20216904).

Almost surely, 2^40433807 is an apocalyptic number.

40433807 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433807 is an equidigital number, since it uses as much as digits as its factorization.

40433807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40433807 is about 6358.7582907357. The cubic root of 40433807 is about 343.2270792157.

The spelling of 40433807 in words is "forty million, four hundred thirty-three thousand, eight hundred seven".