242309340 has 192 divisors, whose sum is σ = 928005120. Its totient is φ = 51114240.

The previous prime is 242309339. The next prime is 242309357. The reversal of 242309340 is 43903242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46675 + ... + 51605.

It is an arithmetic number, because the mean of its divisors is an integer number (4833360).

Almost surely, 2^242309340 is an apocalyptic number.

242309340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242309340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464002560).

242309340 is an abundant number, since it is smaller than the sum of its proper divisors (685695780).

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

242309340 is a wasteful number, since it uses less digits than its factorization.

242309340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 242309340 is about 15566.2885749944. The cubic root of 242309340 is about 623.4333798699.

The spelling of 242309340 in words is "two hundred forty-two million, three hundred nine thousand, three hundred forty".