242273857824 has 36 divisors (see below), whose sum is σ = 688966284006. Its totient is φ = 80757952512.

The previous prime is 242273857801. The next prime is 242273857849. The reversal of 242273857824 is 428758372242.

242273857824 is a `hidden beast` number, since 2 + 42 + 2 + 7 + 3 + 8 + 578 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 232004062224 + 10269795600 = 481668^2 + 101340^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420614049 + ... + 420614624.

Almost surely, 2^242273857824 is an apocalyptic number.

242273857824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242273857824 is an abundant number, since it is smaller than the sum of its proper divisors (446692426182).

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

242273857824 is a wasteful number, since it uses less digits than its factorization.

242273857824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841228689 (or 841228678 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 54.

The spelling of 242273857824 in words is "two hundred forty-two billion, two hundred seventy-three million, eight hundred fifty-seven thousand, eight hundred twenty-four".