39847418968 has 48 divisors (see below), whose sum is σ = 86929799400. Its totient is φ = 17073987840.

The previous prime is 39847418927. The next prime is 39847418969. The reversal of 39847418968 is 86981474893.

It is a super-2 number, since 2×39847418968² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39847418969) 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 11 ways as a sum of consecutive naturals, for example, 3133968 + ... + 3146656.

Almost surely, 2^39847418968 is an apocalyptic number.

It is an amenable number.

39847418968 is an abundant number, since it is smaller than the sum of its proper divisors (47082380432).

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

39847418968 is a wasteful number, since it uses less digits than its factorization.

39847418968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20720 (or 20709 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The spelling of 39847418968 in words is "thirty-nine billion, eight hundred forty-seven million, four hundred eighteen thousand, nine hundred sixty-eight".