242230124440 has 64 divisors (see below), whose sum is σ = 560404072800. Its totient is φ = 94162848768.

The previous prime is 242230124387. The next prime is 242230124483. The reversal of 242230124440 is 44421032242.

It is a junction number, because it is equal to n+sod(n) for n = 242230124399 and 242230124408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172871 + ... + 1363849.

Almost surely, 2^242230124440 is an apocalyptic number.

242230124440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242230124440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280202036400).

242230124440 is an abundant number, since it is smaller than the sum of its proper divisors (318173948360).

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

242230124440 is a wasteful number, since it uses less digits than its factorization.

242230124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191884 (or 191880 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 242230124440 its reverse (44421032242), we get a palindrome (286651156682).

The spelling of 242230124440 in words is "two hundred forty-two billion, two hundred thirty million, one hundred twenty-four thousand, four hundred forty".