40559061 has 8 divisors (see below), whose sum is σ = 54174784. Its totient is φ = 26991360.

The previous prime is 40559039. The next prime is 40559087. The reversal of 40559061 is 16095504.

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

It is not a de Polignac number, because 40559061 - 2⁶ = 40558997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40559011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9985 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (6771848).

Almost surely, 2^40559061 is an apocalyptic number.

It is an amenable number.

40559061 is a deficient number, since it is larger than the sum of its proper divisors (13615723).

40559061 is a wasteful number, since it uses less digits than its factorization.

40559061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24011.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 40559061 is about 6368.5996105894. The cubic root of 40559061 is about 343.5811249397.

The spelling of 40559061 in words is "forty million, five hundred fifty-nine thousand, sixty-one".