20042240000440 has 64 divisors (see below), whose sum is σ = 51559280775360. Its totient is φ = 6868679516160.

The previous prime is 20042240000413. The next prime is 20042240000441. The reversal of 20042240000440 is 4400004224002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042240000441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14687401 + ... + 15993880.

It is an arithmetic number, because the mean of its divisors is an integer number (805613762115).

Almost surely, 2^{20042240000440} is an apocalyptic number.

20042240000440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042240000440 is an abundant number, since it is smaller than the sum of its proper divisors (31517040774920).

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

20042240000440 is a wasteful number, since it uses less digits than its factorization.

20042240000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30683632 (or 30683628 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20042240000440 its reverse (4400004224002), we get a palindrome (24442244224442).

The spelling of 20042240000440 in words is "twenty trillion, forty-two billion, two hundred forty million, four hundred forty", and thus it is an aban number.