40007522 has 8 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 19883812.

The previous prime is 40007519. The next prime is 40007533. The reversal of 40007522 is 22570004.

40007522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40007494 and 40007503.

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 in 3 ways as a sum of consecutive naturals, for example, 59558 + ... + 60225.

It is an arithmetic number, because the mean of its divisors is an integer number (7546392).

Almost surely, 2^40007522 is an apocalyptic number.

40007522 is a deficient number, since it is larger than the sum of its proper divisors (20363614).

40007522 is a wasteful number, since it uses less digits than its factorization.

40007522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119952.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 40007522 is about 6325.1499586966. The cubic root of 40007522 is about 342.0166253902.

Adding to 40007522 its reverse (22570004), we get a palindrome (62577526).

The spelling of 40007522 in words is "forty million, seven thousand, five hundred twenty-two".