39549942224 has 80 divisors (see below), whose sum is σ = 83629480704. Its totient is φ = 18009561600.

The previous prime is 39549942203. The next prime is 39549942239. The reversal of 39549942224 is 42224994593.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21251054 + ... + 21252914.

Almost surely, 2^39549942224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39549942224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41814740352).

39549942224 is an abundant number, since it is smaller than the sum of its proper divisors (44079538480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39549942224 is a wasteful number, since it uses less digits than its factorization.

39549942224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3190 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 53.

The spelling of 39549942224 in words is "thirty-nine billion, five hundred forty-nine million, nine hundred forty-two thousand, two hundred twenty-four".