44404341421 has 4 divisors (see below), whose sum is σ = 48441099744. Its totient is φ = 40367583100.

The previous prime is 44404341407. The next prime is 44404341461. The reversal of 44404341421 is 12414340444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44404341421 - 2²⁵ = 44370786989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44404341461) 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, 2018379145 + ... + 2018379166.

It is an arithmetic number, because the mean of its divisors is an integer number (12110274936).

Almost surely, 2^44404341421 is an apocalyptic number.

It is an amenable number.

44404341421 is a deficient number, since it is larger than the sum of its proper divisors (4036758323).

44404341421 is a wasteful number, since it uses less digits than its factorization.

44404341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036758322.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 44404341421 its reverse (12414340444), we get a palindrome (56818681865).

The spelling of 44404341421 in words is "forty-four billion, four hundred four million, three hundred forty-one thousand, four hundred twenty-one".