4391865744 has 160 divisors (see below), whose sum is σ = 13432283136. Its totient is φ = 1210513920.

The previous prime is 4391865743. The next prime is 4391865749. The reversal of 4391865744 is 4475681934.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4391865743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119274 + ... + 1123190.

Almost surely, 2^4391865744 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 4391865744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6716141568).

4391865744 is an abundant number, since it is smaller than the sum of its proper divisors (9040417392).

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

4391865744 is a wasteful number, since it uses less digits than its factorization.

4391865744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4047 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 4391865744 is about 66271.1531814560. The cubic root of 4391865744 is about 1637.6321351252.

The spelling of 4391865744 in words is "four billion, three hundred ninety-one million, eight hundred sixty-five thousand, seven hundred forty-four".