4544032064 has 84 divisors (see below), whose sum is σ = 10673963412. Its totient is φ = 1906544640.

The previous prime is 4544032037. The next prime is 4544032079. The reversal of 4544032064 is 4602304454.

It can be written as a sum of positive squares in 2 ways, for example, as 651270400 + 3892761664 = 25520^2 + 62392^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 4544032064.

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, 78104 + ... + 123240.

It is an arithmetic number, because the mean of its divisors is an integer number (127070993).

Almost surely, 2^4544032064 is an apocalyptic number.

4544032064 is a gapful number since it is divisible by the number (44) 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 4544032064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5336981706).

4544032064 is an abundant number, since it is smaller than the sum of its proper divisors (6129931348).

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

4544032064 is a wasteful number, since it uses less digits than its factorization.

4544032064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45184 (or 45163 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 4544032064 is about 67409.4360160356. The cubic root of 4544032064 is about 1656.3309956279.

The spelling of 4544032064 in words is "four billion, five hundred forty-four million, thirty-two thousand, sixty-four".