40429726 has 8 divisors (see below), whose sum is σ = 60752880. Its totient is φ = 20178768.

The previous prime is 40429717. The next prime is 40429747. The reversal of 40429726 is 62792404.

40429726 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 junction number, because it is equal to n+sod(n) for n = 40429691 and 40429700.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16626 + ... + 18901.

It is an arithmetic number, because the mean of its divisors is an integer number (7594110).

Almost surely, 2^40429726 is an apocalyptic number.

40429726 is a deficient number, since it is larger than the sum of its proper divisors (20323154).

40429726 is a wasteful number, since it uses less digits than its factorization.

40429726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36098.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40429726 is about 6358.4373866541. The cubic root of 40429726 is about 343.2155314793.

The spelling of 40429726 in words is "forty million, four hundred twenty-nine thousand, seven hundred twenty-six".