40266918 has 12 divisors (see below), whose sum is σ = 87245028. Its totient is φ = 13422300.

The previous prime is 40266917. The next prime is 40266929. The reversal of 40266918 is 81966204.

40266918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40266913) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1118508 + ... + 1118543.

It is an arithmetic number, because the mean of its divisors is an integer number (7270419).

Almost surely, 2^40266918 is an apocalyptic number.

40266918 is an abundant number, since it is smaller than the sum of its proper divisors (46978110).

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

40266918 is a wasteful number, since it uses less digits than its factorization.

40266918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237059 (or 2237056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40266918 is about 6345.6219553327. The cubic root of 40266918 is about 342.7542091297.

The spelling of 40266918 in words is "forty million, two hundred sixty-six thousand, nine hundred eighteen".