4001133044 has 6 divisors (see below), whose sum is σ = 7001982834. Its totient is φ = 2000566520.

The previous prime is 4001133013. The next prime is 4001133049. The reversal of 4001133044 is 4403311004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3067830544 + 933302500 = 55388^2 + 30550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001133049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500141627 + ... + 500141634.

It is an arithmetic number, because the mean of its divisors is an integer number (1166997139).

Almost surely, 2^4001133044 is an apocalyptic number.

It is an amenable number.

4001133044 is a deficient number, since it is larger than the sum of its proper divisors (3000849790).

4001133044 is a wasteful number, since it uses less digits than its factorization.

4001133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000283265 (or 1000283263 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4001133044 is about 63254.5100684528. The cubic root of 4001133044 is about 1587.5509207549.

Adding to 4001133044 its reverse (4403311004), we get a palindrome (8404444048).

The spelling of 4001133044 in words is "four billion, one million, one hundred thirty-three thousand, forty-four".