242234351540 has 48 divisors (see below), whose sum is σ = 525201600000. Its totient is φ = 93750272640.

The previous prime is 242234351519. The next prime is 242234351591. The reversal of 242234351540 is 45153432242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242234351540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3489086 + ... + 3557834.

It is an arithmetic number, because the mean of its divisors is an integer number (10941700000).

Almost surely, 2^242234351540 is an apocalyptic number.

242234351540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242234351540 is an abundant number, since it is smaller than the sum of its proper divisors (282967248460).

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

242234351540 is a wasteful number, since it uses less digits than its factorization.

242234351540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74472 (or 74470 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 242234351540 its reverse (45153432242), we get a palindrome (287387783782).

The spelling of 242234351540 in words is "two hundred forty-two billion, two hundred thirty-four million, three hundred fifty-one thousand, five hundred forty".