40768559 has 8 divisors (see below), whose sum is σ = 44130240. Its totient is φ = 37439136.

The previous prime is 40768543. The next prime is 40768571. The reversal of 40768559 is 95586704.

40768559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40768559 - 2⁴ = 40768543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768579) 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 in 7 ways as a sum of consecutive naturals, for example, 5399 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (5516280).

Almost surely, 2^40768559 is an apocalyptic number.

40768559 is a deficient number, since it is larger than the sum of its proper divisors (3361681).

40768559 is a wasteful number, since it uses less digits than its factorization.

40768559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 40768559 is about 6385.0261549973. The cubic root of 40768559 is about 344.1716710072.

The spelling of 40768559 in words is "forty million, seven hundred sixty-eight thousand, five hundred fifty-nine".