4439745432 has 160 divisors (see below), whose sum is σ = 13384768320. Its totient is φ = 1369820160.

The previous prime is 4439745421. The next prime is 4439745467. The reversal of 4439745432 is 2345479344.

4439745432 is a `hidden beast` number, since 4 + 4 + 39 + 74 + 543 + 2 = 666.

It is a super-2 number, since 2×4439745432² = 39422679001929733248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 668673 + ... + 675279.

It is an arithmetic number, because the mean of its divisors is an integer number (83654802).

Almost surely, 2^4439745432 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 4439745432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6692384160).

4439745432 is an abundant number, since it is smaller than the sum of its proper divisors (8945022888).

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

4439745432 is a wasteful number, since it uses less digits than its factorization.

4439745432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703 (or 6690 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 4439745432 is about 66631.4147531028. The cubic root of 4439745432 is about 1643.5617404966.

The spelling of 4439745432 in words is "four billion, four hundred thirty-nine million, seven hundred forty-five thousand, four hundred thirty-two".