4432121232 has 80 divisors (see below), whose sum is σ = 14274895872. Its totient is φ = 1151199360.

The previous prime is 4432121231. The next prime is 4432121269. The reversal of 4432121232 is 2321212344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4432121231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595888 + ... + 603279.

Almost surely, 2^4432121232 is an apocalyptic number.

4432121232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4432121232 is an abundant number, since it is smaller than the sum of its proper divisors (9842774640).

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

4432121232 is a wasteful number, since it uses less digits than its factorization.

4432121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199196 (or 1199190 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 4432121232 is about 66574.1784177619. The cubic root of 4432121232 is about 1642.6203934927.

Adding to 4432121232 its reverse (2321212344), we get a palindrome (6753333576).

It can be divided in two parts, 443212 and 1232, that added together give a palindrome (444444).

The spelling of 4432121232 in words is "four billion, four hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-two".