48451998856 has 8 divisors (see below), whose sum is σ = 90847497870. Its totient is φ = 24225999424.

The previous prime is 48451998851. The next prime is 48451998913. The reversal of 48451998856 is 65889915484.

It can be written as a sum of positive squares in only one way, i.e., 44001774756 + 4450224100 = 209766^2 + 66710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 48451998791 and 48451998800.

It is not an unprimeable number, because it can be changed into a prime (48451998851) 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 as a sum of consecutive naturals, namely, 3028249921 + ... + 3028249936.

Almost surely, 2^48451998856 is an apocalyptic number.

It is an amenable number.

48451998856 is a deficient number, since it is larger than the sum of its proper divisors (42395499014).

48451998856 is a wasteful number, since it uses less digits than its factorization.

48451998856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056499863 (or 6056499859 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 67.

The spelling of 48451998856 in words is "forty-eight billion, four hundred fifty-one million, nine hundred ninety-eight thousand, eight hundred fifty-six".