40559404 has 12 divisors (see below), whose sum is σ = 71223264. Its totient is φ = 20209904.

The previous prime is 40559401. The next prime is 40559411. The reversal of 40559404 is 40495504.

40559404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40559401) 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 3 ways as a sum of consecutive naturals, for example, 16132 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (5935272).

Almost surely, 2^40559404 is an apocalyptic number.

It is an amenable number.

40559404 is a deficient number, since it is larger than the sum of its proper divisors (30663860).

40559404 is a wasteful number, since it uses less digits than its factorization.

40559404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34904 (or 34902 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 40559404 is about 6368.6265395295. The cubic root of 40559404 is about 343.5820934696.

The spelling of 40559404 in words is "forty million, five hundred fifty-nine thousand, four hundred four".