44120441421 has 32 divisors (see below), whose sum is σ = 74720332800. Its totient is φ = 25205249520.

The previous prime is 44120441293. The next prime is 44120441437. The reversal of 44120441421 is 12414402144.

It is a happy number.

44120441421 is a `hidden beast` number, since 4 + 41 + 204 + 414 + 2 + 1 = 666.

It is not a de Polignac number, because 44120441421 - 2⁷ = 44120441293 is a prime.

It is a super-2 number, since 2×44120441421² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120441461) 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, 769726 + ... + 825056.

It is an arithmetic number, because the mean of its divisors is an integer number (2335010400).

Almost surely, 2^44120441421 is an apocalyptic number.

It is an amenable number.

44120441421 is a deficient number, since it is larger than the sum of its proper divisors (30599891379).

44120441421 is a wasteful number, since it uses less digits than its factorization.

44120441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59566 (or 59560 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 44120441421 its reverse (12414402144), we get a palindrome (56534843565).

The spelling of 44120441421 in words is "forty-four billion, one hundred twenty million, four hundred forty-one thousand, four hundred twenty-one".