242535642 has 16 divisors (see below), whose sum is σ = 501798240. Its totient is φ = 78057392.

The previous prime is 242535619. The next prime is 242535649. The reversal of 242535642 is 246535242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242535649) 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, 696768 + ... + 697115.

It is an arithmetic number, because the mean of its divisors is an integer number (31362390).

Almost surely, 2^242535642 is an apocalyptic number.

242535642 is an abundant number, since it is smaller than the sum of its proper divisors (259262598).

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

242535642 is a wasteful number, since it uses less digits than its factorization.

242535642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393917.

The product of its digits is 57600, while the sum is 33.

The square root of 242535642 is about 15573.5558560015. Note that the first 3 decimals coincide. The cubic root of 242535642 is about 623.6274022742.

The spelling of 242535642 in words is "two hundred forty-two million, five hundred thirty-five thousand, six hundred forty-two".