242747747242 has 384 divisors, whose sum is σ = 531665648640. Its totient is φ = 81607680000.

The previous prime is 242747747239. The next prime is 242747747273.

242747747242 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 242747747242.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2403442992 + ... + 2403443092.

It is an arithmetic number, because the mean of its divisors is an integer number (1384545960).

Almost surely, 2^242747747242 is an apocalyptic number.

242747747242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242747747242 is an abundant number, since it is smaller than the sum of its proper divisors (288917901398).

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

242747747242 is a wasteful number, since it uses less digits than its factorization.

242747747242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 311 counting only the distinct ones).

The product of its digits is 9834496, while the sum is 52.

It can be divided in two parts, 242747 and 747242, that added together give a palindrome (989989).

The spelling of 242747747242 in words is "two hundred forty-two billion, seven hundred forty-seven million, seven hundred forty-seven thousand, two hundred forty-two".