4398178816 has 80 divisors (see below), whose sum is σ = 9105845760. Its totient is φ = 2120048640.

The previous prime is 4398178801. The next prime is 4398178823. The reversal of 4398178816 is 6188718934.

It is a super-2 number, since 2×4398178816² = 38687953795022323712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7729380 + ... + 7729948.

It is an arithmetic number, because the mean of its divisors is an integer number (113823072).

Almost surely, 2^4398178816 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 4398178816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4552922880).

4398178816 is an abundant number, since it is smaller than the sum of its proper divisors (4707666944).

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

4398178816 is an equidigital number, since it uses as much as digits as its factorization.

4398178816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1089 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 4398178816 is about 66318.7666954083. The cubic root of 4398178816 is about 1638.4164289734.

The spelling of 4398178816 in words is "four billion, three hundred ninety-eight million, one hundred seventy-eight thousand, eight hundred sixteen".