40518522 has 32 divisors (see below), whose sum is σ = 98228160. Its totient is φ = 12278160.

The previous prime is 40518509. The next prime is 40518563. The reversal of 40518522 is 22581504.

It is a happy number.

40518522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 33513 + ... + 34700.

It is an arithmetic number, because the mean of its divisors is an integer number (3069630).

Almost surely, 2^40518522 is an apocalyptic number.

40518522 is an abundant number, since it is smaller than the sum of its proper divisors (57709638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40518522 is a wasteful number, since it uses less digits than its factorization.

40518522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68235 (or 68229 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 40518522 is about 6365.4160900918. The cubic root of 40518522 is about 343.4666163853.

The spelling of 40518522 in words is "forty million, five hundred eighteen thousand, five hundred twenty-two".