242421045042 has 16 divisors (see below), whose sum is σ = 528918643872. Its totient is φ = 73460922720.

The previous prime is 242421045019. The next prime is 242421045047. The reversal of 242421045042 is 240540124242.

It is not an unprimeable number, because it can be changed into a prime (242421045047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836523003 + ... + 1836523134.

It is an arithmetic number, because the mean of its divisors is an integer number (33057415242).

Almost surely, 2^242421045042 is an apocalyptic number.

242421045042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242421045042 is an abundant number, since it is smaller than the sum of its proper divisors (286497598830).

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

242421045042 is a wasteful number, since it uses less digits than its factorization.

242421045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673046153.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 242421045042 its reverse (240540124242), we get a palindrome (482961169284).

The spelling of 242421045042 in words is "two hundred forty-two billion, four hundred twenty-one million, forty-five thousand, forty-two".