242434511440 has 40 divisors (see below), whose sum is σ = 614902081248. Its totient is φ = 88158003840.

The previous prime is 242434511411. The next prime is 242434511467. The reversal of 242434511440 is 44115434242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 242434511396 and 242434511405.

It is a congruent number.

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, 137746002 + ... + 137747761.

Almost surely, 2^242434511440 is an apocalyptic number.

242434511440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242434511440 is an abundant number, since it is smaller than the sum of its proper divisors (372467569808).

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

242434511440 is a wasteful number, since it uses less digits than its factorization.

242434511440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275493787 (or 275493781 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 242434511440 its reverse (44115434242), we get a palindrome (286549945682).

The spelling of 242434511440 in words is "two hundred forty-two billion, four hundred thirty-four million, five hundred eleven thousand, four hundred forty".