44041413421 has 4 divisors (see below), whose sum is σ = 44060723644. Its totient is φ = 44022103200.

The previous prime is 44041413407. The next prime is 44041413433. The reversal of 44041413421 is 12431414044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24121196100 + 19920217321 = 155310^2 + 141139^2 .

It is a cyclic number.

It is not a de Polignac number, because 44041413421 - 2¹⁵ = 44041380653 is a prime.

It is a super-2 number, since 2×44041413421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44041413421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44041413461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9651690 + ... + 9656251.

It is an arithmetic number, because the mean of its divisors is an integer number (11015180911).

Almost surely, 2^44041413421 is an apocalyptic number.

It is an amenable number.

44041413421 is a deficient number, since it is larger than the sum of its proper divisors (19310223).

44041413421 is a wasteful number, since it uses less digits than its factorization.

44041413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19310222.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 44041413421 its reverse (12431414044), we get a palindrome (56472827465).

The spelling of 44041413421 in words is "forty-four billion, forty-one million, four hundred thirteen thousand, four hundred twenty-one".