48944975985 has 24 divisors (see below), whose sum is σ = 84843541224. Its totient is φ = 26102269440.

The previous prime is 48944975971. The next prime is 48944976013. The reversal of 48944975985 is 58957944984.

48944975985 is a `hidden beast` number, since 4 + 8 + 9 + 4 + 497 + 59 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15517435761 + 33427540224 = 124569^2 + 182832^2 .

It is not a de Polignac number, because 48944975985 - 2¹⁴ = 48944959601 is a prime.

It is a super-2 number, since 2×48944975985² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960345 + ... + 1010025.

It is an arithmetic number, because the mean of its divisors is an integer number (3535147551).

Almost surely, 2^48944975985 is an apocalyptic number.

48944975985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48944975985 is a deficient number, since it is larger than the sum of its proper divisors (35898565239).

48944975985 is a wasteful number, since it uses less digits than its factorization.

48944975985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71585 (or 71582 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 48944975985 in words is "forty-eight billion, nine hundred forty-four million, nine hundred seventy-five thousand, nine hundred eighty-five".