40565622 has 8 divisors (see below), whose sum is σ = 81131256. Its totient is φ = 13521872.

The previous prime is 40565599. The next prime is 40565633. The reversal of 40565622 is 22656504.

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

40565622 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40565622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380463 + ... + 3380474.

It is an arithmetic number, because the mean of its divisors is an integer number (10141407).

Almost surely, 2^40565622 is an apocalyptic number.

40565622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40565622 is a wasteful number, since it uses less digits than its factorization.

40565622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760942.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 40565622 is about 6369.1146951519. The cubic root of 40565622 is about 343.5996503046.

The spelling of 40565622 in words is "forty million, five hundred sixty-five thousand, six hundred twenty-two".