39397229232 has 80 divisors (see below), whose sum is σ = 103589381760. Its totient is φ = 12898828800.

The previous prime is 39397229231. The next prime is 39397229273. The reversal of 39397229232 is 23292279393.

It is not an unprimeable number, because it can be changed into a prime (39397229231) 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 15 ways as a sum of consecutive naturals, for example, 3735807 + ... + 3746337.

It is an arithmetic number, because the mean of its divisors is an integer number (1294867272).

Almost surely, 2^39397229232 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 39397229232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51794690880).

39397229232 is an abundant number, since it is smaller than the sum of its proper divisors (64192152528).

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

39397229232 is a wasteful number, since it uses less digits than its factorization.

39397229232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922 (or 11916 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 51.

The spelling of 39397229232 in words is "thirty-nine billion, three hundred ninety-seven million, two hundred twenty-nine thousand, two hundred thirty-two".