44339998521 has 48 divisors (see below), whose sum is σ = 74093419008. Its totient is φ = 23378342400.

The previous prime is 44339998511. The next prime is 44339998583. The reversal of 44339998521 is 12589993344.

It is not a de Polignac number, because 44339998521 - 2⁷ = 44339998393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44339998511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8101816 + ... + 8107286.

It is an arithmetic number, because the mean of its divisors is an integer number (1543612896).

Almost surely, 2^44339998521 is an apocalyptic number.

It is an amenable number.

44339998521 is a deficient number, since it is larger than the sum of its proper divisors (29753420487).

44339998521 is a wasteful number, since it uses less digits than its factorization.

44339998521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9742 (or 9735 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 44339998521 in words is "forty-four billion, three hundred thirty-nine million, nine hundred ninety-eight thousand, five hundred twenty-one".