40522665 has 32 divisors (see below), whose sum is σ = 68624640. Its totient is φ = 20376576.

The previous prime is 40522633. The next prime is 40522667. The reversal of 40522665 is 56622504.

40522665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40522665 - 2⁵ = 40522633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40522667) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24381 + ... + 25989.

It is an arithmetic number, because the mean of its divisors is an integer number (2144520).

Almost surely, 2^40522665 is an apocalyptic number.

It is an amenable number.

40522665 is a deficient number, since it is larger than the sum of its proper divisors (28101975).

40522665 is a wasteful number, since it uses less digits than its factorization.

40522665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

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

The square root of 40522665 is about 6365.7415121885. The cubic root of 40522665 is about 343.4783224202.

The spelling of 40522665 in words is "forty million, five hundred twenty-two thousand, six hundred sixty-five".