4001033444 has 12 divisors (see below), whose sum is σ = 7006704684. Its totient is φ = 1999117824.

The previous prime is 4001033423. The next prime is 4001033473. The reversal of 4001033444 is 4443301004.

It can be written as a sum of positive squares in 2 ways, for example, as 1819022500 + 2182010944 = 42650^2 + 46712^2 .

It is a super-2 number, since 2×4001033444² = 32016537240013002272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343277 + ... + 354740.

It is an arithmetic number, because the mean of its divisors is an integer number (583892057).

Almost surely, 2^4001033444 is an apocalyptic number.

It is an amenable number.

4001033444 is a deficient number, since it is larger than the sum of its proper divisors (3005671240).

4001033444 is a wasteful number, since it uses less digits than its factorization.

4001033444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699454 (or 699452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4001033444 is about 63253.7227679130. The cubic root of 4001033444 is about 1587.5377477043.

Adding to 4001033444 its reverse (4443301004), we get a palindrome (8444334448).

The spelling of 4001033444 in words is "four billion, one million, thirty-three thousand, four hundred forty-four".