39219152128 has 72 divisors (see below), whose sum is σ = 85736397600. Its totient is φ = 17794258944.

The previous prime is 39219152041. The next prime is 39219152129. The reversal of 39219152128 is 82125191293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39219152129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96483 + ... + 296221.

It is an arithmetic number, because the mean of its divisors is an integer number (1190783300).

Almost surely, 2^39219152128 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 39219152128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42868198800).

39219152128 is an abundant number, since it is smaller than the sum of its proper divisors (46517245472).

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

39219152128 is a wasteful number, since it uses less digits than its factorization.

39219152128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199827 (or 199813 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The spelling of 39219152128 in words is "thirty-nine billion, two hundred nineteen million, one hundred fifty-two thousand, one hundred twenty-eight".