4454944494544 has 30 divisors (see below), whose sum is σ = 8633954860706. Its totient is φ = 2226827275200.

The previous prime is 4454944494523. The next prime is 4454944494557.

It is a happy number.

4454944494544 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 4409949600144 + 44994894400 = 2099988^2 + 212120^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449943994 + ... + 449953894.

Almost surely, 2^{4454944494544} is an apocalyptic number.

It is an amenable number.

4454944494544 is a deficient number, since it is larger than the sum of its proper divisors (4179010366162).

4454944494544 is an frugal number, since it uses more digits than its factorization.

4454944494544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20515 (or 15206 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 64.

The spelling of 4454944494544 in words is "four trillion, four hundred fifty-four billion, nine hundred forty-four million, four hundred ninety-four thousand, five hundred forty-four".