4403121444 has 30 divisors (see below), whose sum is σ = 11510630054. Its totient is φ = 1467707040.

The previous prime is 4403121407. The next prime is 4403121467. The reversal of 4403121444 is 4441213044.

4403121444 is a `hidden beast` number, since 4 + 403 + 1 + 214 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4187384100 + 215737344 = 64710^2 + 14688^2 .

It is a super-2 number, since 2×4403121444² = 38774956901225290272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 6794617 + ... + 6795264.

Almost surely, 2^4403121444 is an apocalyptic number.

It is an amenable number.

4403121444 is an abundant number, since it is smaller than the sum of its proper divisors (7107508610).

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

4403121444 is a wasteful number, since it uses less digits than its factorization.

4403121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589897 (or 13589886 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4403121444 is about 66356.0204050846. The cubic root of 4403121444 is about 1639.0299443726.

Adding to 4403121444 its reverse (4441213044), we get a palindrome (8844334488).

The spelling of 4403121444 in words is "four billion, four hundred three million, one hundred twenty-one thousand, four hundred forty-four".