242347311780 has 96 divisors (see below), whose sum is σ = 775600600320. Its totient is φ = 55387299840.

The previous prime is 242347311779. The next prime is 242347311803. The reversal of 242347311780 is 87113743242.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4293340 + ... + 4349420.

It is an arithmetic number, because the mean of its divisors is an integer number (8079172920).

Almost surely, 2^242347311780 is an apocalyptic number.

242347311780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242347311780 is an abundant number, since it is smaller than the sum of its proper divisors (533253288540).

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

242347311780 is a wasteful number, since it uses less digits than its factorization.

242347311780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66389 (or 66387 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 242347311780 in words is "two hundred forty-two billion, three hundred forty-seven million, three hundred eleven thousand, seven hundred eighty".