40054566 has 16 divisors (see below), whose sum is σ = 80186688. Its totient is φ = 13338600.

The previous prime is 40054561. The next prime is 40054571. The reversal of 40054566 is 66545004.

40054566 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 (40054561) and next prime (40054571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054561) 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, 5161 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (5011668).

Almost surely, 2^40054566 is an apocalyptic number.

40054566 is an abundant number, since it is smaller than the sum of its proper divisors (40132122).

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

40054566 is a wasteful number, since it uses less digits than its factorization.

40054566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 40054566 is about 6328.8676712347. The cubic root of 40054566 is about 342.1506295880.

The spelling of 40054566 in words is "forty million, fifty-four thousand, five hundred sixty-six".