4401140432 has 80 divisors (see below), whose sum is σ = 9502391808. Its totient is φ = 1961003520.

The previous prime is 4401140431. The next prime is 4401140453. The reversal of 4401140432 is 2340411044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4401140398 and 4401140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401140431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4983863 + ... + 4984745.

Almost surely, 2^4401140432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4401140432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4751195904).

4401140432 is an abundant number, since it is smaller than the sum of its proper divisors (5101251376).

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

4401140432 is a wasteful number, since it uses less digits than its factorization.

4401140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4401140432 is about 66341.0915798044. The cubic root of 4401140432 is about 1638.7841017285.

Adding to 4401140432 its reverse (2340411044), we get a palindrome (6741551476).

The spelling of 4401140432 in words is "four billion, four hundred one million, one hundred forty thousand, four hundred thirty-two".