4044402432 has 216 divisors, whose sum is σ = 13907572224. Its totient is φ = 1105201152.

The previous prime is 4044402421. The next prime is 4044402449. The reversal of 4044402432 is 2342044404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4044402396 and 4044402405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365493 + ... + 376395.

Almost surely, 2^4044402432 is an apocalyptic number.

4044402432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6953786112).

4044402432 is an abundant number, since it is smaller than the sum of its proper divisors (9863169792).

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

4044402432 is a wasteful number, since it uses less digits than its factorization.

4044402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955 (or 10938 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4044402432 is about 63595.6164527084. The cubic root of 4044402432 is about 1593.2531567218.

Adding to 4044402432 its reverse (2342044404), we get a palindrome (6386446836).

The spelling of 4044402432 in words is "four billion, forty-four million, four hundred two thousand, four hundred thirty-two".