39152971392 has 128 divisors (see below), whose sum is σ = 111455775360. Its totient is φ = 12146061312.

The previous prime is 39152971381. The next prime is 39152971393. The reversal of 39152971392 is 29317925193.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (39152971393) by changing a digit.

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, 266878 + ... + 386690.

It is an arithmetic number, because the mean of its divisors is an integer number (870748245).

Almost surely, 2^39152971392 is an apocalyptic number.

39152971392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39152971392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55727887680).

39152971392 is an abundant number, since it is smaller than the sum of its proper divisors (72302803968).

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

39152971392 is a wasteful number, since it uses less digits than its factorization.

39152971392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119890 (or 119878 counting only the distinct ones).

The product of its digits is 918540, while the sum is 51.

The spelling of 39152971392 in words is "thirty-nine billion, one hundred fifty-two million, nine hundred seventy-one thousand, three hundred ninety-two".