40112018 has 16 divisors (see below), whose sum is σ = 61425216. Its totient is φ = 19640880.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112018 is 81021104.

It is a junction number, because it is equal to n+sod(n) for n = 40111987 and 40112005.

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, 22280 + ... + 24012.

It is an arithmetic number, because the mean of its divisors is an integer number (3839076).

Almost surely, 2^40112018 is an apocalyptic number.

40112018 is a deficient number, since it is larger than the sum of its proper divisors (21313198).

40112018 is a wasteful number, since it uses less digits than its factorization.

40112018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 40112018 is about 6333.4049294199. The cubic root of 40112018 is about 342.3141385959.

The spelling of 40112018 in words is "forty million, one hundred twelve thousand, eighteen".