40218348 has 24 divisors (see below), whose sum is σ = 94390128. Its totient is φ = 13327936.

The previous prime is 40218313. The next prime is 40218359. The reversal of 40218348 is 84381204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (3932922).

Almost surely, 2^40218348 is an apocalyptic number.

It is an amenable number.

40218348 is an abundant number, since it is smaller than the sum of its proper divisors (54171780).

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

40218348 is a wasteful number, since it uses less digits than its factorization.

40218348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553 (or 19551 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 40218348 is about 6341.7937525593. The cubic root of 40218348 is about 342.6163435179.

The spelling of 40218348 in words is "forty million, two hundred eighteen thousand, three hundred forty-eight".