4401023444 has 24 divisors (see below), whose sum is σ = 8157213288. Its totient is φ = 2070466560.

The previous prime is 4401023399. The next prime is 4401023453. The reversal of 4401023444 is 4443201044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125171344 + 4275852100 = 11188^2 + 65390^2 .

It is a super-2 number, since 2×4401023444² = 38738014709275242272, which contains 22 as substring.

It is a congruent number.

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, 299714 + ... + 314054.

It is an arithmetic number, because the mean of its divisors is an integer number (339883887).

Almost surely, 2^4401023444 is an apocalyptic number.

It is an amenable number.

4401023444 is a deficient number, since it is larger than the sum of its proper divisors (3756189844).

4401023444 is a wasteful number, since it uses less digits than its factorization.

4401023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18875 (or 18873 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4401023444 is about 66340.2098579738. The cubic root of 4401023444 is about 1638.7695812668.

Adding to 4401023444 its reverse (4443201044), we get a palindrome (8844224488).

The spelling of 4401023444 in words is "four billion, four hundred one million, twenty-three thousand, four hundred forty-four".