40471894 has 16 divisors (see below), whose sum is σ = 61560000. Its totient is φ = 19953864.

The previous prime is 40471891. The next prime is 40471897. The reversal of 40471894 is 49817404.

40471894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40471891) and next prime (40471897).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40471891) 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, 80857 + ... + 81355.

It is an arithmetic number, because the mean of its divisors is an integer number (3847500).

Almost surely, 2^40471894 is an apocalyptic number.

40471894 is a deficient number, since it is larger than the sum of its proper divisors (21088106).

40471894 is a wasteful number, since it uses less digits than its factorization.

40471894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40471894 is about 6361.7524315239. The cubic root of 40471894 is about 343.3348140404.

The spelling of 40471894 in words is "forty million, four hundred seventy-one thousand, eight hundred ninety-four".