39887800485648 has 160 divisors (see below), whose sum is σ = 104405629933440. Its totient is φ = 13121477591040.

The previous prime is 39887800485647. The next prime is 39887800485703. The reversal of 39887800485648 is 84658400878893.

It is not an unprimeable number, because it can be changed into a prime (39887800485641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942128736 + ... + 942171072.

It is an arithmetic number, because the mean of its divisors is an integer number (652535187084).

Almost surely, 2^{39887800485648} is an apocalyptic number.

It is an amenable number.

39887800485648 is an abundant number, since it is smaller than the sum of its proper divisors (64517829447792).

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

39887800485648 is a wasteful number, since it uses less digits than its factorization.

39887800485648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43305 (or 43299 counting only the distinct ones).

The product of its (nonzero) digits is 2972712960, while the sum is 78.

The spelling of 39887800485648 in words is "thirty-nine trillion, eight hundred eighty-seven billion, eight hundred million, four hundred eighty-five thousand, six hundred forty-eight".