242020040440420 has 48 divisors (see below), whose sum is σ = 567968981844096. Its totient is φ = 85860768224000.

The previous prime is 242020040440403. The next prime is 242020040440427. The reversal of 242020040440420 is 24044040020242.

It is not an unprimeable number, because it can be changed into a prime (242020040440427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13415736016 + ... + 13415754055.

It is an arithmetic number, because the mean of its divisors is an integer number (11832687121752).

Almost surely, 2^{242020040440420} is an apocalyptic number.

242020040440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242020040440420 is an abundant number, since it is smaller than the sum of its proper divisors (325948941403676).

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

242020040440420 is a wasteful number, since it uses less digits than its factorization.

242020040440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26831490132 (or 26831490130 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 242020040440420 its reverse (24044040020242), we get a palindrome (266064080460662).

The spelling of 242020040440420 in words is "two hundred forty-two trillion, twenty billion, forty million, four hundred forty thousand, four hundred twenty".