44036421 has 32 divisors (see below), whose sum is σ = 71995392. Its totient is φ = 23559360.

The previous prime is 44036407. The next prime is 44036423. The reversal of 44036421 is 12463044.

It is not a de Polignac number, because 44036421 - 2¹¹ = 44034373 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44036391 and 44036400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44036423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7636 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 2^44036421 is an apocalyptic number.

It is an amenable number.

44036421 is a deficient number, since it is larger than the sum of its proper divisors (27958971).

44036421 is a wasteful number, since it uses less digits than its factorization.

44036421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 44036421 is about 6635.9943490030. The cubic root of 44036421 is about 353.1322148629.

Adding to 44036421 its reverse (12463044), we get a palindrome (56499465).

The spelling of 44036421 in words is "forty-four million, thirty-six thousand, four hundred twenty-one".