49447806016 has 56 divisors (see below), whose sum is σ = 114256474560. Its totient is φ = 20792059392.

The previous prime is 49447805989. The next prime is 49447806019. The reversal of 49447806016 is 61060874494.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-3 number, since 3×49447806016³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49447806019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017526 + ... + 1065013.

Almost surely, 2^49447806016 is an apocalyptic number.

It is an amenable number.

49447806016 is an abundant number, since it is smaller than the sum of its proper divisors (64808668544).

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

49447806016 is a wasteful number, since it uses less digits than its factorization.

49447806016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082611 (or 2082601 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 49447806016 in words is "forty-nine billion, four hundred forty-seven million, eight hundred six thousand, sixteen".