44512005021 has 32 divisors (see below), whose sum is σ = 65446672896. Its totient is φ = 26685000000.

The previous prime is 44512004969. The next prime is 44512005049. The reversal of 44512005021 is 12050021544.

It is not a de Polignac number, because 44512005021 - 2¹¹ = 44512002973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44512004982 and 44512005000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44512005821) 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, 3950646 + ... + 3961896.

It is an arithmetic number, because the mean of its divisors is an integer number (2045208528).

Almost surely, 2^44512005021 is an apocalyptic number.

It is an amenable number.

44512005021 is a deficient number, since it is larger than the sum of its proper divisors (20934667875).

44512005021 is a wasteful number, since it uses less digits than its factorization.

44512005021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 44512005021 its reverse (12050021544), we get a palindrome (56562026565).

The spelling of 44512005021 in words is "forty-four billion, five hundred twelve million, five thousand, twenty-one".