4398667776 has 144 divisors (see below), whose sum is σ = 12789176400. Its totient is φ = 1456422912.

The previous prime is 4398667723. The next prime is 4398667783. The reversal of 4398667776 is 6777668934.

4398667776 is a `hidden beast` number, since 439 + 8 + 66 + 77 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3077430 + ... + 3078858.

It is an arithmetic number, because the mean of its divisors is an integer number (88813725).

Almost surely, 2^4398667776 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 4398667776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6394588200).

4398667776 is an abundant number, since it is smaller than the sum of its proper divisors (8390508624).

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

4398667776 is a wasteful number, since it uses less digits than its factorization.

4398667776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1601 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The square root of 4398667776 is about 66322.4530306291. The cubic root of 4398667776 is about 1638.4771427707.

The spelling of 4398667776 in words is "four billion, three hundred ninety-eight million, six hundred sixty-seven thousand, seven hundred seventy-six".