39217922048 has 54 divisors (see below), whose sum is σ = 78579199251. Its totient is φ = 19573112832.

The previous prime is 39217922039. The next prime is 39217922053. The reversal of 39217922048 is 84022971293.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 19608961024 + 19608961024 = 140032^2 + 140032^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=140032.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39217921993 and 39217922011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 71696111 + ... + 71696657.

Almost surely, 2^39217922048 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 39217922048

39217922048 is an abundant number, since it is smaller than the sum of its proper divisors (39361277203).

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

39217922048 is an frugal number, since it uses more digits than its factorization.

39217922048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 39217922048 in words is "thirty-nine billion, two hundred seventeen million, nine hundred twenty-two thousand, forty-eight".