44199376221 has 96 divisors (see below), whose sum is σ = 83922872320. Its totient is φ = 20078720640.

The previous prime is 44199376217. The next prime is 44199376271. The reversal of 44199376221 is 12267399144.

It is not a de Polignac number, because 44199376221 - 2² = 44199376217 is a prime.

It is a super-3 number, since 3×44199376221³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44199376201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 592416 + ... + 662838.

Almost surely, 2^44199376221 is an apocalyptic number.

It is an amenable number.

44199376221 is a deficient number, since it is larger than the sum of its proper divisors (39723496099).

44199376221 is a wasteful number, since it uses less digits than its factorization.

44199376221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70487 (or 70476 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 44199376221 in words is "forty-four billion, one hundred ninety-nine million, three hundred seventy-six thousand, two hundred twenty-one".