44032405921 has 27 divisors (see below), whose sum is σ = 52981762257. Its totient is φ = 36486805320.

The previous prime is 44032405909. The next prime is 44032405927. The reversal of 44032405921 is 12950423044.

The square root of 44032405921 is 209839.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 44032405921 - 2⁹ = 44032405409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44032405927) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45534580 + ... + 45535546.

It is an arithmetic number, because the mean of its divisors is an integer number (1962287491).

Almost surely, 2^44032405921 is an apocalyptic number.

44032405921 is the 209839-th square number.

44032405921 is the 104920-th centered octagonal number.

It is an amenable number.

44032405921 is a deficient number, since it is larger than the sum of its proper divisors (8949356336).

44032405921 is an frugal number, since it uses more digits than its factorization.

44032405921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 44032405921 its reverse (12950423044), we get a palindrome (56982828965).

The spelling of 44032405921 in words is "forty-four billion, thirty-two million, four hundred five thousand, nine hundred twenty-one".