4000440044450 has 48 divisors (see below), whose sum is σ = 7571681184960. Its totient is φ = 1572067533120.

The previous prime is 4000440044449. The next prime is 4000440044473. The reversal of 4000440044450 is 544400440004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4286579 + ... + 5135721.

It is an arithmetic number, because the mean of its divisors is an integer number (157743358020).

Almost surely, 2^{4000440044450} is an apocalyptic number.

4000440044450 is a deficient number, since it is larger than the sum of its proper divisors (3571241140510).

4000440044450 is a wasteful number, since it uses less digits than its factorization.

4000440044450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850811 (or 850806 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 4000440044450 its reverse (544400440004), we get a palindrome (4544840484454).

The spelling of 4000440044450 in words is "four trillion, four hundred forty million, forty-four thousand, four hundred fifty".