40810218 has 8 divisors (see below), whose sum is σ = 81620448. Its totient is φ = 13603404.

The previous prime is 40810207. The next prime is 40810219. The reversal of 40810218 is 81201804.

It is a sphenic number, since it is the product of 3 distinct primes.

40810218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40810219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400846 + ... + 3400857.

It is an arithmetic number, because the mean of its divisors is an integer number (10202556).

Almost surely, 2^40810218 is an apocalyptic number.

40810218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40810218 is a wasteful number, since it uses less digits than its factorization.

40810218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801708.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 40810218 is about 6388.2875639721. The cubic root of 40810218 is about 344.2888607166.

The spelling of 40810218 in words is "forty million, eight hundred ten thousand, two hundred eighteen".