48939615728 has 40 divisors (see below), whose sum is σ = 96659358048. Its totient is φ = 23995741952.

The previous prime is 48939615727. The next prime is 48939615839. The reversal of 48939615728 is 82751693984.

It is a Cunningham number, because it is equal to 221223²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48939615721) 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 7 ways as a sum of consecutive naturals, for example, 1755950 + ... + 1783602.

Almost surely, 2^48939615728 is an apocalyptic number.

It is an amenable number.

48939615728 is a deficient number, since it is larger than the sum of its proper divisors (47719742320).

48939615728 is a wasteful number, since it uses less digits than its factorization.

48939615728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29801 (or 29795 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 48939615728 in words is "forty-eight billion, nine hundred thirty-nine million, six hundred fifteen thousand, seven hundred twenty-eight".