242342233140 has 144 divisors (see below), whose sum is σ = 793351988352. Its totient is φ = 55111198464.

The previous prime is 242342233097. The next prime is 242342233207. The reversal of 242342233140 is 41332243242.

It is a super-2 number, since 2×242342233140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 242342233098 and 242342233107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369969 + ... + 788391.

It is an arithmetic number, because the mean of its divisors is an integer number (5509388808).

Almost surely, 2^242342233140 is an apocalyptic number.

242342233140 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 242342233140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396675994176).

242342233140 is an abundant number, since it is smaller than the sum of its proper divisors (551009755212).

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

242342233140 is a wasteful number, since it uses less digits than its factorization.

242342233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418646 (or 418637 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 242342233140 its reverse (41332243242), we get a palindrome (283674476382).

The spelling of 242342233140 in words is "two hundred forty-two billion, three hundred forty-two million, two hundred thirty-three thousand, one hundred forty".