40522405 has 16 divisors (see below), whose sum is σ = 60626304. Its totient is φ = 25260480.

The previous prime is 40522403. The next prime is 40522411. The reversal of 40522405 is 50422504.

It is not a de Polignac number, because 40522405 - 2¹ = 40522403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40522403) 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, 52242 + ... + 53011.

It is an arithmetic number, because the mean of its divisors is an integer number (3789144).

Almost surely, 2^40522405 is an apocalyptic number.

It is an amenable number.

40522405 is a deficient number, since it is larger than the sum of its proper divisors (20103899).

40522405 is a wasteful number, since it uses less digits than its factorization.

40522405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105276.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40522405 is about 6365.7210903400. The cubic root of 40522405 is about 343.4775878144.

Adding to 40522405 its reverse (50422504), we get a palindrome (90944909).

Subtracting 40522405 from its reverse (50422504), we obtain a palindrome (9900099).

The spelling of 40522405 in words is "forty million, five hundred twenty-two thousand, four hundred five".