4232320144 has 40 divisors (see below), whose sum is σ = 8834863352. Its totient is φ = 1952501760.

The previous prime is 4232320133. The next prime is 4232320159. The reversal of 4232320144 is 4410232324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 457446544 + 3774873600 = 21388^2 + 61440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798784 + ... + 804064.

Almost surely, 2^4232320144 is an apocalyptic number.

It is an amenable number.

4232320144 is an abundant number, since it is smaller than the sum of its proper divisors (4602543208).

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

4232320144 is a wasteful number, since it uses less digits than its factorization.

4232320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155 (or 9149 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4232320144 is about 65056.2844312523. The cubic root of 4232320144 is about 1617.5566662820.

Adding to 4232320144 its reverse (4410232324), we get a palindrome (8642552468).

The spelling of 4232320144 in words is "four billion, two hundred thirty-two million, three hundred twenty thousand, one hundred forty-four".