4243440432312 has 64 divisors (see below), whose sum is σ = 11895475284000. Its totient is φ = 1401503254272.

The previous prime is 4243440432281. The next prime is 4243440432349. The reversal of 4243440432312 is 2132340443424.

4243440432312 is a `hidden beast` number, since 4 + 243 + 4 + 404 + 3 + 2 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 90093693 + ... + 90140780.

Almost surely, 2^{4243440432312} is an apocalyptic number.

It is an amenable number.

4243440432312 is an abundant number, since it is smaller than the sum of its proper divisors (7652034851688).

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

4243440432312 is a wasteful number, since it uses less digits than its factorization.

4243440432312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180234597 (or 180234587 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 4243440432312 its reverse (2132340443424), we get a palindrome (6375780875736).

The spelling of 4243440432312 in words is "four trillion, two hundred forty-three billion, four hundred forty million, four hundred thirty-two thousand, three hundred twelve".