40004522 has 4 divisors (see below), whose sum is σ = 60006786. Its totient is φ = 20002260.

The previous prime is 40004513. The next prime is 40004533. The reversal of 40004522 is 22540004.

40004522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 16491721 = 4849^2 + 4061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40004522.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10001129 + ... + 10001132.

Almost surely, 2^40004522 is an apocalyptic number.

40004522 is a deficient number, since it is larger than the sum of its proper divisors (20002264).

40004522 is a wasteful number, since it uses less digits than its factorization.

40004522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002263.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40004522 is about 6324.9128057231. The cubic root of 40004522 is about 342.0080763684.

Adding to 40004522 its reverse (22540004), we get a palindrome (62544526).

The spelling of 40004522 in words is "forty million, four thousand, five hundred twenty-two".