40020440200 has 48 divisors (see below), whose sum is σ = 100205031780. Its totient is φ = 14776776960.

The previous prime is 40020440179. The next prime is 40020440209. The reversal of 40020440200 is 204402004.

It can be written as a sum of positive squares in 6 ways, for example, as 7235543844 + 32784896356 = 85062^2 + 181066^2 .

It is not an unprimeable number, because it can be changed into a prime (40020440209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7693639 + ... + 7698838.

Almost surely, 2^40020440200 is an apocalyptic number.

40020440200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40020440200 is an abundant number, since it is smaller than the sum of its proper divisors (60184591580).

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

40020440200 is a wasteful number, since it uses less digits than its factorization.

40020440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392506 (or 15392497 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40020440200 its reverse (204402004), we get a palindrome (40224842204).

The spelling of 40020440200 in words is "forty billion, twenty million, four hundred forty thousand, two hundred".