40920679 has 2 divisors, whose sum is σ = 40920680. Its totient is φ = 40920678.

The previous prime is 40920613. The next prime is 40920701. The reversal of 40920679 is 97602904.

40920679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40920679 - 2¹⁵ = 40887911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40921679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20460339 + 20460340.

It is an arithmetic number, because the mean of its divisors is an integer number (20460340).

Almost surely, 2^40920679 is an apocalyptic number.

40920679 is a deficient number, since it is larger than the sum of its proper divisors (1).

40920679 is an equidigital number, since it uses as much as digits as its factorization.

40920679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 40920679 is about 6396.9273092634. The cubic root of 40920679 is about 344.5992097161.

The spelling of 40920679 in words is "forty million, nine hundred twenty thousand, six hundred seventy-nine".