4401728880 has 80 divisors (see below), whose sum is σ = 13679686944. Its totient is φ = 1170841600.

The previous prime is 4401728869. The next prime is 4401728887. The reversal of 4401728880 is 888271044.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401728887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73372 + ... + 119108.

Almost surely, 2^4401728880 is an apocalyptic number.

4401728880 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 4401728880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6839843472).

4401728880 is an abundant number, since it is smaller than the sum of its proper divisors (9277958064).

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

4401728880 is a wasteful number, since it uses less digits than its factorization.

4401728880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46154 (or 46148 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 4401728880 is about 66345.5264505453. The cubic root of 4401728880 is about 1638.8571355453.

The spelling of 4401728880 in words is "four billion, four hundred one million, seven hundred twenty-eight thousand, eight hundred eighty".