40026894 has 32 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 12940032.

The previous prime is 40026887. The next prime is 40026997. The reversal of 40026894 is 49862004.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 42622 + ... + 43550.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^40026894 is an apocalyptic number.

40026894 is an abundant number, since it is smaller than the sum of its proper divisors (42467826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40026894 is a wasteful number, since it uses less digits than its factorization.

40026894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40026894 is about 6326.6811204612. The cubic root of 40026894 is about 342.0718189858.

Adding to 40026894 its reverse (49862004), we get a palindrome (89888898).

The spelling of 40026894 in words is "forty million, twenty-six thousand, eight hundred ninety-four".