242421234124440 has 128 divisors (see below), whose sum is σ = 831247182005760. Its totient is φ = 55404656799744.

The previous prime is 242421234124417. The next prime is 242421234124457. The reversal of 242421234124440 is 44421432124242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7511862 + ... + 23265221.

It is an arithmetic number, because the mean of its divisors is an integer number (6494118609420).

Almost surely, 2^{242421234124440} is an apocalyptic number.

242421234124440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242421234124440 is an abundant number, since it is smaller than the sum of its proper divisors (588825947881320).

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

242421234124440 is a wasteful number, since it uses less digits than its factorization.

242421234124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30786481 (or 30786477 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 242421234124440 its reverse (44421432124242), we get a palindrome (286842666248682).

The spelling of 242421234124440 in words is "two hundred forty-two trillion, four hundred twenty-one billion, two hundred thirty-four million, one hundred twenty-four thousand, four hundred forty".