4439903040 has 168 divisors, whose sum is σ = 15296330088. Its totient is φ = 1182044160.

The previous prime is 4439903011. The next prime is 4439903051. The reversal of 4439903040 is 403099344.

It can be written as a sum of positive squares in 4 ways, for example, as 1914237504 + 2525665536 = 43752^2 + 50256^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4439902986 and 4439903004.

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 23 ways as a sum of consecutive naturals, for example, 3054954 + ... + 3056406.

Almost surely, 2^4439903040 is an apocalyptic number.

4439903040 is a gapful number since it is divisible by the number (40) 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 4439903040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7648165044).

4439903040 is an abundant number, since it is smaller than the sum of its proper divisors (10856427048).

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

4439903040 is a wasteful number, since it uses less digits than its factorization.

4439903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 4439903040 is about 66632.5974279857. The cubic root of 4439903040 is about 1643.5811887147.

The spelling of 4439903040 in words is "four billion, four hundred thirty-nine million, nine hundred three thousand, forty".