40518882 has 12 divisors (see below), whose sum is σ = 87790950. Its totient is φ = 13506288.

The previous prime is 40518851. The next prime is 40518883. The reversal of 40518882 is 28881504.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 4626801 = 5991^2 + 2151^2 .

It is not an unprimeable number, because it can be changed into a prime (40518883) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1125507 + ... + 1125542.

Almost surely, 2^40518882 is an apocalyptic number.

40518882 is an abundant number, since it is smaller than the sum of its proper divisors (47272068).

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

40518882 is a wasteful number, since it uses less digits than its factorization.

40518882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251057 (or 2251054 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 40518882 is about 6365.4443678348. Note that the first 3 decimals coincide. The cubic root of 40518882 is about 343.4676335960.

The spelling of 40518882 in words is "forty million, five hundred eighteen thousand, eight hundred eighty-two".