4400844040 has 32 divisors (see below), whose sum is σ = 9915473880. Its totient is φ = 1757924352.

The previous prime is 4400844001. The next prime is 4400844053. The reversal of 4400844040 is 404480044.

It can be written as a sum of positive squares in 4 ways, for example, as 4245043716 + 155800324 = 65154^2 + 12482^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45729 + ... + 104368.

Almost surely, 2^4400844040 is an apocalyptic number.

4400844040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400844040 is an abundant number, since it is smaller than the sum of its proper divisors (5514629840).

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

4400844040 is a wasteful number, since it uses less digits than its factorization.

4400844040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150841 (or 150837 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 4400844040 is about 66338.8576929088. The cubic root of 4400844040 is about 1638.7473132787.

The spelling of 4400844040 in words is "four billion, four hundred million, eight hundred forty-four thousand, forty".