40522505 has 8 divisors (see below), whose sum is σ = 49082112. Its totient is φ = 32114608.

The previous prime is 40522499. The next prime is 40522561. The reversal of 40522505 is 50522504.

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

It is a cyclic number.

It is not a de Polignac number, because 40522505 - 2¹² = 40518409 is a prime.

It is a super-2 number, since 2×40522505² = 3284146822950050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37337 + ... + 38406.

It is an arithmetic number, because the mean of its divisors is an integer number (6135264).

Almost surely, 2^40522505 is an apocalyptic number.

It is an amenable number.

40522505 is a deficient number, since it is larger than the sum of its proper divisors (8559607).

40522505 is a wasteful number, since it uses less digits than its factorization.

40522505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75855.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 40522505 is about 6365.7289449049. The cubic root of 40522505 is about 343.4778703555.

Subtracting 40522505 from its reverse (50522504), we obtain a palindrome (9999999).

The spelling of 40522505 in words is "forty million, five hundred twenty-two thousand, five hundred five".