40324218 has 48 divisors (see below), whose sum is σ = 90078240. Its totient is φ = 12022560.

The previous prime is 40324217. The next prime is 40324231. The reversal of 40324218 is 81242304.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40324217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48228 + ... + 49056.

It is an arithmetic number, because the mean of its divisors is an integer number (1876630).

Almost surely, 2^40324218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40324218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45039120).

40324218 is an abundant number, since it is smaller than the sum of its proper divisors (49754022).

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

40324218 is a wasteful number, since it uses less digits than its factorization.

40324218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40324218 is about 6350.1352741497. The cubic root of 40324218 is about 342.9167123182.

The spelling of 40324218 in words is "forty million, three hundred twenty-four thousand, two hundred eighteen".