40565620312 has 32 divisors (see below), whose sum is σ = 91501401600. Its totient is φ = 16470251424.

The previous prime is 40565620301. The next prime is 40565620327. The reversal of 40565620312 is 21302656504.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19061728 + ... + 19063855.

It is an arithmetic number, because the mean of its divisors is an integer number (2859418800).

Almost surely, 2^40565620312 is an apocalyptic number.

It is an amenable number.

40565620312 is an abundant number, since it is smaller than the sum of its proper divisors (50935781288).

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

40565620312 is a wasteful number, since it uses less digits than its factorization.

40565620312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38125615 (or 38125611 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 40565620312 in words is "forty billion, five hundred sixty-five million, six hundred twenty thousand, three hundred twelve".