44102405241021 has 4 divisors (see below), whose sum is σ = 58803206988032. Its totient is φ = 29401603494012.

The previous prime is 44102405240963. The next prime is 44102405241049. The reversal of 44102405241021 is 12014250420144.

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 not a de Polignac number, because 44102405241021 - 2¹¹ = 44102405238973 is a prime.

It is a super-2 number, since 2×44102405241021² (a number of 28 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 44102405241021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44102405241121) 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, 7350400873501 + ... + 7350400873506.

It is an arithmetic number, because the mean of its divisors is an integer number (14700801747008).

Almost surely, 2^{44102405241021} is an apocalyptic number.

It is an amenable number.

44102405241021 is a deficient number, since it is larger than the sum of its proper divisors (14700801747011).

44102405241021 is a wasteful number, since it uses less digits than its factorization.

44102405241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14700801747010.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 44102405241021 its reverse (12014250420144), we get a palindrome (56116655661165).

The spelling of 44102405241021 in words is "forty-four trillion, one hundred two billion, four hundred five million, two hundred forty-one thousand, twenty-one".