39442471651268 has 96 divisors (see below), whose sum is σ = 79514037657600. Its totient is φ = 16769681786880.

The previous prime is 39442471651259. The next prime is 39442471651277. The reversal of 39442471651268 is 86215617424493.

39442471651268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39442471651259) and next prime (39442471651277).

It is a super-2 number, since 2×39442471651268² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39442471651268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2851737113 + ... + 2851750943.

It is an arithmetic number, because the mean of its divisors is an integer number (828271225600).

Almost surely, 2^{39442471651268} is an apocalyptic number.

It is an amenable number.

39442471651268 is an abundant number, since it is smaller than the sum of its proper divisors (40071566006332).

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

39442471651268 is a wasteful number, since it uses less digits than its factorization.

39442471651268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505 (or 15503 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 39442471651268 in words is "thirty-nine trillion, four hundred forty-two billion, four hundred seventy-one million, six hundred fifty-one thousand, two hundred sixty-eight".