40568405056 has 63 divisors (see below), whose sum is σ = 85574733727. Its totient is φ = 19078123520.

The previous prime is 40568405041. The next prime is 40568405063. The reversal of 40568405056 is 65050486504.

The square root of 40568405056 is 201416.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1989160000 + 38579245056 = 44600^2 + 196416^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 27391836 + ... + 27393316.

Almost surely, 2^40568405056 is an apocalyptic number.

40568405056 is the 201416-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40568405056

40568405056 is an abundant number, since it is smaller than the sum of its proper divisors (45006328671).

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

40568405056 is an frugal number, since it uses more digits than its factorization.

40568405056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 40568405056 in words is "forty billion, five hundred sixty-eight million, four hundred five thousand, fifty-six".