242542630 has 16 divisors (see below), whose sum is σ = 476265744. Its totient is φ = 88197280.

The previous prime is 242542591. The next prime is 242542633. The reversal of 242542630 is 36245242.

242542630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242542633) 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, 1102357 + ... + 1102576.

It is an arithmetic number, because the mean of its divisors is an integer number (29766609).

Almost surely, 2^242542630 is an apocalyptic number.

242542630 is a deficient number, since it is larger than the sum of its proper divisors (233723114).

242542630 is a wasteful number, since it uses less digits than its factorization.

242542630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204951.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 242542630 is about 15573.7802090565. The cubic root of 242542630 is about 623.6333915883.

Adding to 242542630 its reverse (36245242), we get a palindrome (278787872).

The spelling of 242542630 in words is "two hundred forty-two million, five hundred forty-two thousand, six hundred thirty".