242330421040 has 80 divisors (see below), whose sum is σ = 565822802880. Its totient is φ = 96518983680.

The previous prime is 242330421037. The next prime is 242330421061. The reversal of 242330421040 is 40124033242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×242330421040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242330420996 and 242330421014.

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, 42237052 + ... + 42242788.

It is an arithmetic number, because the mean of its divisors is an integer number (7072785036).

Almost surely, 2^242330421040 is an apocalyptic number.

242330421040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242330421040 is an abundant number, since it is smaller than the sum of its proper divisors (323492381840).

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

242330421040 is a wasteful number, since it uses less digits than its factorization.

242330421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 242330421040 its reverse (40124033242), we get a palindrome (282454454282).

The spelling of 242330421040 in words is "two hundred forty-two billion, three hundred thirty million, four hundred twenty-one thousand, forty".