44013122421 has 8 divisors (see below), whose sum is σ = 58787301120. Its totient is φ = 29290512672.

The previous prime is 44013122359. The next prime is 44013122423. The reversal of 44013122421 is 12422131044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44013122421 - 2⁶ = 44013122357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44013122391 and 44013122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013122423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12890245 + ... + 12893658.

It is an arithmetic number, because the mean of its divisors is an integer number (7348412640).

Almost surely, 2^44013122421 is an apocalyptic number.

It is an amenable number.

44013122421 is a deficient number, since it is larger than the sum of its proper divisors (14774178699).

44013122421 is a wasteful number, since it uses less digits than its factorization.

44013122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25784475.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 44013122421 its reverse (12422131044), we get a palindrome (56435253465).

The spelling of 44013122421 in words is "forty-four billion, thirteen million, one hundred twenty-two thousand, four hundred twenty-one".