40365255568 has 20 divisors (see below), whose sum is σ = 85317472368. Its totient is φ = 18347843360.

The previous prime is 40365255529. The next prime is 40365255577. The reversal of 40365255568 is 86555256304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114673846 + ... + 114674197.

Almost surely, 2^40365255568 is an apocalyptic number.

It is an amenable number.

40365255568 is an abundant number, since it is smaller than the sum of its proper divisors (44952216800).

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

40365255568 is a wasteful number, since it uses less digits than its factorization.

40365255568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229348062 (or 229348056 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 40365255568 in words is "forty billion, three hundred sixty-five million, two hundred fifty-five thousand, five hundred sixty-eight".