4491004448 has 72 divisors (see below), whose sum is σ = 10327083984. Its totient is φ = 1916880000.

The previous prime is 4491004433. The next prime is 4491004451. The reversal of 4491004448 is 8444001944.

It is a happy 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, 387863 + ... + 399273.

It is an arithmetic number, because the mean of its divisors is an integer number (143431722).

Almost surely, 2^4491004448 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 4491004448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5163541992).

4491004448 is an abundant number, since it is smaller than the sum of its proper divisors (5836079536).

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

4491004448 is a wasteful number, since it uses less digits than its factorization.

4491004448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686 (or 11671 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 4491004448 is about 67014.9568976956. The cubic root of 4491004448 is about 1649.8627921413.

The spelling of 4491004448 in words is "four billion, four hundred ninety-one million, four thousand, four hundred forty-eight".