242152405404 has 192 divisors, whose sum is σ = 711924433920. Its totient is φ = 62363105280.

The previous prime is 242152405403. The next prime is 242152405423. The reversal of 242152405404 is 404504251242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242152405403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9245992 + ... + 9272144.

It is an arithmetic number, because the mean of its divisors is an integer number (3707939760).

Almost surely, 2^242152405404 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 242152405404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355962216960).

242152405404 is an abundant number, since it is smaller than the sum of its proper divisors (469772028516).

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

242152405404 is a wasteful number, since it uses less digits than its factorization.

242152405404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26380 (or 26378 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 242152405404 its reverse (404504251242), we get a palindrome (646656656646).

The spelling of 242152405404 in words is "two hundred forty-two billion, one hundred fifty-two million, four hundred five thousand, four hundred four".