4404002400 has 1080 divisors, whose sum is σ = 19935364680. Its totient is φ = 940584960.

The previous prime is 4404002399. The next prime is 4404002417. The reversal of 4404002400 is 42004044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 60328764 + ... + 60328836.

It is an arithmetic number, because the mean of its divisors is an integer number (18458671).

Almost surely, 2^4404002400 is an apocalyptic number.

4404002400 is a gapful number since it is divisible by the number (40) 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 4404002400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9967682340).

4404002400 is an abundant number, since it is smaller than the sum of its proper divisors (15531362280).

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

4404002400 is a wasteful number, since it uses less digits than its factorization.

4404002400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4404002400 is about 66362.6581746090. The cubic root of 4404002400 is about 1639.1392469054.

Adding to 4404002400 its reverse (42004044), we get a palindrome (4446006444).

The spelling of 4404002400 in words is "four billion, four hundred four million, two thousand, four hundred".