49881666666672 has 60 divisors (see below), whose sum is σ = 139600443255000. Its totient is φ = 16627096364544.

The previous prime is 49881666666653. The next prime is 49881666666673. The reversal of 49881666666672 is 27666666618894.

49881666666672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×49881666666672³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49881666666591 and 49881666666600.

It is not an unprimeable number, because it can be changed into a prime (49881666666673) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18852079 + ... + 21334577.

It is an arithmetic number, because the mean of its divisors is an integer number (2326674054250).

Almost surely, 2^{49881666666672} is an apocalyptic number.

It is an amenable number.

49881666666672 is an abundant number, since it is smaller than the sum of its proper divisors (89718776588328).

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

49881666666672 is a wasteful number, since it uses less digits than its factorization.

49881666666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622050 (or 2622041 counting only the distinct ones).

The product of its digits is 9029615616, while the sum is 81.

The spelling of 49881666666672 in words is "forty-nine trillion, eight hundred eighty-one billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-two".