40423826 has 8 divisors (see below), whose sum is σ = 61403520. Its totient is φ = 19955988.

The previous prime is 40423793. The next prime is 40423843. The reversal of 40423826 is 62832404.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127766 + ... + 128081.

It is an arithmetic number, because the mean of its divisors is an integer number (7675440).

Almost surely, 2^40423826 is an apocalyptic number.

40423826 is a deficient number, since it is larger than the sum of its proper divisors (20979694).

40423826 is a wasteful number, since it uses less digits than its factorization.

40423826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255928.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40423826 is about 6357.9734192587. The cubic root of 40423826 is about 343.1988352646.

The spelling of 40423826 in words is "forty million, four hundred twenty-three thousand, eight hundred twenty-six".