4445995444 has 18 divisors (see below), whose sum is σ = 8552112002. Its totient is φ = 2020906800.

The previous prime is 4445995429. The next prime is 4445995453.

4445995444 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 4443555600 + 2439844 = 66660^2 + 1562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4445995391 and 4445995400.

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, 4592487 + ... + 4593454.

Almost surely, 2^4445995444 is an apocalyptic number.

4445995444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4445995444 is a deficient number, since it is larger than the sum of its proper divisors (4106116558).

4445995444 is a wasteful number, since it uses less digits than its factorization.

4445995444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9185967 (or 9185954 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The square root of 4445995444 is about 66678.2981486480. The cubic root of 4445995444 is about 1644.3326153352.

The spelling of 4445995444 in words is "four billion, four hundred forty-five million, nine hundred ninety-five thousand, four hundred forty-four".