40585305556 has 6 divisors (see below), whose sum is σ = 71024284730. Its totient is φ = 20292652776.

The previous prime is 40585305517. The next prime is 40585305557. The reversal of 40585305556 is 65550358504.

40585305556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40515248656 + 70056900 = 201284^2 + 8370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40585305557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073163191 + ... + 5073163198.

Almost surely, 2^40585305556 is an apocalyptic number.

It is an amenable number.

40585305556 is a deficient number, since it is larger than the sum of its proper divisors (30438979174).

40585305556 is a wasteful number, since it uses less digits than its factorization.

40585305556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10146326393 (or 10146326391 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 40585305556 in words is "forty billion, five hundred eighty-five million, three hundred five thousand, five hundred fifty-six".