39221471808 has 112 divisors (see below), whose sum is σ = 119023505920. Its totient is φ = 12652070400.

The previous prime is 39221471803. The next prime is 39221471819. The reversal of 39221471808 is 80817412293.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39221471803) 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, 312523 + ... + 419658.

Almost surely, 2^39221471808 is an apocalyptic number.

It is an amenable number.

39221471808 is an abundant number, since it is smaller than the sum of its proper divisors (79802034112).

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

39221471808 is a wasteful number, since it uses less digits than its factorization.

39221471808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732233 (or 732217 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 39221471808 in words is "thirty-nine billion, two hundred twenty-one million, four hundred seventy-one thousand, eight hundred eight".