242939770416 has 120 divisors (see below), whose sum is σ = 778384299264. Its totient is φ = 69289637760.

The previous prime is 242939770351. The next prime is 242939770483. The reversal of 242939770416 is 614077939242.

242939770416 is a `hidden beast` number, since 242 + 9 + 397 + 7 + 0 + 4 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364525 + ... + 786611.

Almost surely, 2^242939770416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242939770416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389192149632).

242939770416 is an abundant number, since it is smaller than the sum of its proper divisors (535444528848).

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

242939770416 is a wasteful number, since it uses less digits than its factorization.

242939770416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422679 (or 422670 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 242939770416 in words is "two hundred forty-two billion, nine hundred thirty-nine million, seven hundred seventy thousand, four hundred sixteen".