242507442 has 16 divisors (see below), whose sum is σ = 486319680. Its totient is φ = 80618352.

The previous prime is 242507437. The next prime is 242507443. The reversal of 242507442 is 244705242.

It is not an unprimeable number, because it can be changed into a prime (242507443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51942 + ... + 56417.

It is an arithmetic number, because the mean of its divisors is an integer number (30394980).

Almost surely, 2^242507442 is an apocalyptic number.

242507442 is an abundant number, since it is smaller than the sum of its proper divisors (243812238).

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

242507442 is a wasteful number, since it uses less digits than its factorization.

242507442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108737.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 242507442 is about 15572.6504487836. The cubic root of 242507442 is about 623.6032312915.

The spelling of 242507442 in words is "two hundred forty-two million, five hundred seven thousand, four hundred forty-two".