40157759 has 2 divisors, whose sum is σ = 40157760. Its totient is φ = 40157758.

The previous prime is 40157753. The next prime is 40157861. The reversal of 40157759 is 95775104.

40157759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40157759 - 2⁸ = 40157503 is a prime.

It is a super-2 number, since 2×40157759² = 3225291215804162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40157753) 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, 20078879 + 20078880.

It is an arithmetic number, because the mean of its divisors is an integer number (20078880).

Almost surely, 2^40157759 is an apocalyptic number.

40157759 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157759 is an equidigital number, since it uses as much as digits as its factorization.

40157759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 40157759 is about 6337.0149913031. The cubic root of 40157759 is about 342.4442063733. Note that the first 3 decimals are identical.

The spelling of 40157759 in words is "forty million, one hundred fifty-seven thousand, seven hundred fifty-nine".