242420434 has 16 divisors (see below), whose sum is σ = 376056576. Its totient is φ = 117082800.

The previous prime is 242420419. The next prime is 242420441. The reversal of 242420434 is 434024242.

242420434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242420399 and 242420408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33064 + ... + 39724.

It is an arithmetic number, because the mean of its divisors is an integer number (23503536).

Almost surely, 2^242420434 is an apocalyptic number.

242420434 is a deficient number, since it is larger than the sum of its proper divisors (133636142).

242420434 is a wasteful number, since it uses less digits than its factorization.

242420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 242420434 is about 15569.8565825122. The cubic root of 242420434 is about 623.5286425698.

Adding to 242420434 its reverse (434024242), we get a palindrome (676444676).

The spelling of 242420434 in words is "two hundred forty-two million, four hundred twenty thousand, four hundred thirty-four".