40032079 has 2 divisors, whose sum is σ = 40032080. Its totient is φ = 40032078.

The previous prime is 40032053. The next prime is 40032101. The reversal of 40032079 is 97023004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40032079 - 2⁹ = 40031567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40032049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016039 + 20016040.

It is an arithmetic number, because the mean of its divisors is an integer number (20016040).

Almost surely, 2^40032079 is an apocalyptic number.

40032079 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032079 is an equidigital number, since it uses as much as digits as its factorization.

40032079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 40032079 is about 6327.0908797013. The cubic root of 40032079 is about 342.0865887703.

The spelling of 40032079 in words is "forty million, thirty-two thousand, seventy-nine".