242779849392 has 20 divisors (see below), whose sum is σ = 627181277720. Its totient is φ = 80926616448.

The previous prime is 242779849373. The next prime is 242779849397. The reversal of 242779849392 is 293948977242.

It is not an unprimeable number, because it can be changed into a prime (242779849397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528956717 + ... + 2528956812.

It is an arithmetic number, because the mean of its divisors is an integer number (31359063886).

Almost surely, 2^242779849392 is an apocalyptic number.

It is an amenable number.

242779849392 is an abundant number, since it is smaller than the sum of its proper divisors (384401428328).

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

242779849392 is a wasteful number, since it uses less digits than its factorization.

242779849392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057913540 (or 5057913534 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 242779849392 in words is "two hundred forty-two billion, seven hundred seventy-nine million, eight hundred forty-nine thousand, three hundred ninety-two".