4243211432240 has 160 divisors (see below), whose sum is σ = 10812732940800. Its totient is φ = 1535768985600.

The previous prime is 4243211432221. The next prime is 4243211432263. The reversal of 4243211432240 is 422341123424.

It is a happy number.

It is a super-2 number, since 2×4243211432240² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243211432197 and 4243211432206.

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, 316391135 + ... + 316404545.

It is an arithmetic number, because the mean of its divisors is an integer number (67579580880).

Almost surely, 2^{4243211432240} is an apocalyptic number.

4243211432240 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 4243211432240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5406366470400).

4243211432240 is an abundant number, since it is smaller than the sum of its proper divisors (6569521508560).

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

4243211432240 is a wasteful number, since it uses less digits than its factorization.

4243211432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15091 (or 15085 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4243211432240 its reverse (422341123424), we get a palindrome (4665552555664).

The spelling of 4243211432240 in words is "four trillion, two hundred forty-three billion, two hundred eleven million, four hundred thirty-two thousand, two hundred forty".