48212471538 has 240 divisors, whose sum is σ = 142859492160. Its totient is φ = 11862987840.

The previous prime is 48212471537. The next prime is 48212471561. The reversal of 48212471538 is 83517421284.

48212471538 is a `hidden beast` number, since 4 + 8 + 21 + 24 + 71 + 538 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48212471493 and 48212471502.

It is not an unprimeable number, because it can be changed into a prime (48212471537) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2597820 + ... + 2616312.

It is an arithmetic number, because the mean of its divisors is an integer number (595247884).

Almost surely, 2^48212471538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48212471538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71429746080).

48212471538 is an abundant number, since it is smaller than the sum of its proper divisors (94647020622).

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

48212471538 is a wasteful number, since it uses less digits than its factorization.

48212471538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18555 (or 18535 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 48212471538 in words is "forty-eight billion, two hundred twelve million, four hundred seventy-one thousand, five hundred thirty-eight".