40522727 has 16 divisors (see below), whose sum is σ = 48187392. Its totient is φ = 33354720.

The previous prime is 40522723. The next prime is 40522787. The reversal of 40522727 is 72722504.

It is not a de Polignac number, because 40522727 - 2² = 40522723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40522727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40522723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17258 + ... + 19464.

It is an arithmetic number, because the mean of its divisors is an integer number (3011712).

Almost surely, 2^40522727 is an apocalyptic number.

40522727 is a deficient number, since it is larger than the sum of its proper divisors (7664665).

40522727 is a wasteful number, since it uses less digits than its factorization.

40522727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 40522727 is about 6365.7463820042. The cubic root of 40522727 is about 343.4784975950.

It can be divided in two parts, 405 and 22727, that added together give a palindrome (23132).

The spelling of 40522727 in words is "forty million, five hundred twenty-two thousand, seven hundred twenty-seven".