4400444400 has 120 divisors (see below), whose sum is σ = 15377599104. Its totient is φ = 1066771200.

The previous prime is 4400444393. The next prime is 4400444417. The reversal of 4400444400 is 44440044.

It is a tau number, because it is divible by the number of its divisors (120).

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

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

It is a zygodrome in base 10.

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, 153484 + ... + 179883.

Almost surely, 2^4400444400 is an apocalyptic number.

4400444400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400444400 is an abundant number, since it is smaller than the sum of its proper divisors (10977154704).

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

4400444400 is a wasteful number, since it uses less digits than its factorization.

4400444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333399 (or 333388 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4400444400 is about 66335.8455135683. The cubic root of 4400444400 is about 1638.6977069763.

Adding to 4400444400 its reverse (44440044), we get a palindrome (4444884444).

It can be divided in two parts, 440044 and 4400, that added together give a palindrome (444444).

The spelling of 4400444400 in words is "four billion, four hundred million, four hundred forty-four thousand, four hundred".