4431214121432 has 128 divisors (see below), whose sum is σ = 9604578170880. Its totient is φ = 1877420160000.

The previous prime is 4431214121381. The next prime is 4431214121441. The reversal of 4431214121432 is 2341214121344.

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, 1737048557 + ... + 1737051107.

It is an arithmetic number, because the mean of its divisors is an integer number (75035766960).

Almost surely, 2^{4431214121432} is an apocalyptic number.

It is an amenable number.

4431214121432 is an abundant number, since it is smaller than the sum of its proper divisors (5173364049448).

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

4431214121432 is a wasteful number, since it uses less digits than its factorization.

4431214121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673 (or 3669 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 4431214121432 its reverse (2341214121344), we get a palindrome (6772428242776).

The spelling of 4431214121432 in words is "four trillion, four hundred thirty-one billion, two hundred fourteen million, one hundred twenty-one thousand, four hundred thirty-two".