40268759 has 2 divisors, whose sum is σ = 40268760. Its totient is φ = 40268758.

The previous prime is 40268747. The next prime is 40268807. The reversal of 40268759 is 95786204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40268759 - 2⁴ = 40268743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40268729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20134379 + 20134380.

It is an arithmetic number, because the mean of its divisors is an integer number (20134380).

Almost surely, 2^40268759 is an apocalyptic number.

40268759 is a deficient number, since it is larger than the sum of its proper divisors (1).

40268759 is an equidigital number, since it uses as much as digits as its factorization.

40268759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 40268759 is about 6345.7670143175. The cubic root of 40268759 is about 342.7594326144.

The spelling of 40268759 in words is "forty million, two hundred sixty-eight thousand, seven hundred fifty-nine".