4243402442240 has 320 divisors, whose sum is σ = 11039983770816. Its totient is φ = 1554951831552.

The previous prime is 4243402442231. The next prime is 4243402442291. The reversal of 4243402442240 is 422442043424.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 4243402442240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4805664839 + ... + 4805665721.

Almost surely, 2^{4243402442240} is an apocalyptic number.

4243402442240 is a gapful number since it is divisible by the number (40) 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 4243402442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519991885408).

4243402442240 is an abundant number, since it is smaller than the sum of its proper divisors (6796581328576).

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

4243402442240 is a wasteful number, since it uses less digits than its factorization.

4243402442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 4243402442240 its reverse (422442043424), we get a palindrome (4665844485664).

The spelling of 4243402442240 in words is "four trillion, two hundred forty-three billion, four hundred two million, four hundred forty-two thousand, two hundred forty".