242780302872 has 24 divisors (see below), whose sum is σ = 657529987140. Its totient is φ = 80926767600.

The previous prime is 242780302871. The next prime is 242780302969. The reversal of 242780302872 is 278203087242.

242780302872 is a `hidden beast` number, since 2 + 4 + 278 + 0 + 302 + 8 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242780302871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685974254 + ... + 1685974397.

Almost surely, 2^242780302872 is an apocalyptic number.

It is an amenable number.

242780302872 is an abundant number, since it is smaller than the sum of its proper divisors (414749684268).

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

242780302872 is a wasteful number, since it uses less digits than its factorization.

242780302872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371948663 (or 3371948656 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 242780302872 in words is "two hundred forty-two billion, seven hundred eighty million, three hundred two thousand, eight hundred seventy-two".