4431069648 has 120 divisors (see below), whose sum is σ = 13086216000. Its totient is φ = 1395781632.

The previous prime is 4431069647. The next prime is 4431069653. The reversal of 4431069648 is 8469601344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431069647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1226661 + ... + 1230267.

It is an arithmetic number, because the mean of its divisors is an integer number (109051800).

Almost surely, 2^4431069648 is an apocalyptic number.

4431069648 is a gapful number since it is divisible by the number (48) 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 4431069648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6543108000).

4431069648 is an abundant number, since it is smaller than the sum of its proper divisors (8655146352).

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

4431069648 is a wasteful number, since it uses less digits than its factorization.

4431069648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4431069648 is about 66566.2801123812. The cubic root of 4431069648 is about 1642.4904715084.

The spelling of 4431069648 in words is "four billion, four hundred thirty-one million, sixty-nine thousand, six hundred forty-eight".