242055378 has 80 divisors (see below), whose sum is σ = 565281024. Its totient is φ = 77332320.

The previous prime is 242055361. The next prime is 242055403. The reversal of 242055378 is 873550242.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 788301 + ... + 788607.

Almost surely, 2^242055378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242055378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282640512).

242055378 is an abundant number, since it is smaller than the sum of its proper divisors (323225646).

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

242055378 is a wasteful number, since it uses less digits than its factorization.

242055378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 242055378 is about 15558.1290006222. The cubic root of 242055378 is about 623.2154989655.

The spelling of 242055378 in words is "two hundred forty-two million, fifty-five thousand, three hundred seventy-eight".