242040634 has 32 divisors (see below), whose sum is σ = 402408000. Its totient is φ = 108272640.

The previous prime is 242040613. The next prime is 242040637. The reversal of 242040634 is 436040242.

It is a junction number, because it is equal to n+sod(n) for n = 242040599 and 242040608.

It is not an unprimeable number, because it can be changed into a prime (242040637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538842 + ... + 539290.

It is an arithmetic number, because the mean of its divisors is an integer number (12575250).

Almost surely, 2^242040634 is an apocalyptic number.

242040634 is a deficient number, since it is larger than the sum of its proper divisors (160367366).

242040634 is a wasteful number, since it uses less digits than its factorization.

242040634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 242040634 is about 15557.6551575101. The cubic root of 242040634 is about 623.2028450074.

Adding to 242040634 its reverse (436040242), we get a palindrome (678080876).

The spelling of 242040634 in words is "two hundred forty-two million, forty thousand, six hundred thirty-four".