4243440531000 has 256 divisors, whose sum is σ = 14447588613120. Its totient is φ = 1028395200000.

The previous prime is 4243440530891. The next prime is 4243440531007. The reversal of 4243440531000 is 1350443424.

It is a super-2 number, since 2×4243440531000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243440531007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117362925 + ... + 117399075.

It is an arithmetic number, because the mean of its divisors is an integer number (56435893020).

Almost surely, 2^{4243440531000} is an apocalyptic number.

4243440531000 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 4243440531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7223794306560).

4243440531000 is an abundant number, since it is smaller than the sum of its proper divisors (10204148082120).

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

4243440531000 is a wasteful number, since it uses less digits than its factorization.

4243440531000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39743 (or 39729 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 4243440531000 its reverse (1350443424), we get a palindrome (4244790974424).

The spelling of 4243440531000 in words is "four trillion, two hundred forty-three billion, four hundred forty million, five hundred thirty-one thousand".