40332344220 has 144 divisors (see below), whose sum is σ = 139875572928. Its totient is φ = 9215078400.

The previous prime is 40332344203. The next prime is 40332344243. The reversal of 40332344220 is 2244323304.

40332344220 is a `hidden beast` number, since 4 + 0 + 3 + 3 + 234 + 422 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4154412 + ... + 4164108.

Almost surely, 2^40332344220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40332344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69937786464).

40332344220 is an abundant number, since it is smaller than the sum of its proper divisors (99543228708).

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

40332344220 is a wasteful number, since it uses less digits than its factorization.

40332344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020 (or 13015 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 40332344220 its reverse (2244323304), we get a palindrome (42576667524).

The spelling of 40332344220 in words is "forty billion, three hundred thirty-two million, three hundred forty-four thousand, two hundred twenty".