44172801 has 6 divisors (see below), whose sum is σ = 63805170. Its totient is φ = 29448528.

The previous prime is 44172781. The next prime is 44172803. The reversal of 44172801 is 10827144.

It can be written as a sum of positive squares in only one way, i.e., 26532801 + 17640000 = 5151^2 + 4200^2 .

It is not a de Polignac number, because 44172801 - 2²⁵ = 10618369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44172803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2454036 + ... + 2454053.

It is an arithmetic number, because the mean of its divisors is an integer number (10634195).

Almost surely, 2^44172801 is an apocalyptic number.

It is an amenable number.

44172801 is a deficient number, since it is larger than the sum of its proper divisors (19632369).

44172801 is a wasteful number, since it uses less digits than its factorization.

44172801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908095 (or 4908092 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 44172801 is about 6646.2621826106. The cubic root of 44172801 is about 353.4963872054.

Adding to 44172801 its reverse (10827144), we get a palindrome (54999945).

The spelling of 44172801 in words is "forty-four million, one hundred seventy-two thousand, eight hundred one".