40522012 has 12 divisors (see below), whose sum is σ = 70965720. Its totient is φ = 20246096.

The previous prime is 40521989. The next prime is 40522061. The reversal of 40522012 is 21022504.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4314 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (5913810).

Almost surely, 2^40522012 is an apocalyptic number.

It is an amenable number.

40522012 is a deficient number, since it is larger than the sum of its proper divisors (30443708).

40522012 is a wasteful number, since it uses less digits than its factorization.

40522012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460 (or 7458 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40522012 is about 6365.6902218063. The cubic root of 40522012 is about 343.4764774235.

Adding to 40522012 its reverse (21022504), we get a palindrome (61544516).

The spelling of 40522012 in words is "forty million, five hundred twenty-two thousand, twelve".