48681350820 has 72 divisors (see below), whose sum is σ = 151268415480. Its totient is φ = 12665064960.

The previous prime is 48681350803. The next prime is 48681350843. The reversal of 48681350820 is 2805318684.

48681350820 is a `hidden beast` number, since 48 + 6 + 81 + 3 + 508 + 20 = 666.

48681350820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2642782464 + 46038568356 = 51408^2 + 214566^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3290815 + ... + 3305574.

It is an arithmetic number, because the mean of its divisors is an integer number (2100950215).

Almost surely, 2^48681350820 is an apocalyptic number.

It is an amenable number.

48681350820 is an abundant number, since it is smaller than the sum of its proper divisors (102587064660).

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

48681350820 is a wasteful number, since it uses less digits than its factorization.

48681350820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596445 (or 6596440 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 48681350820 in words is "forty-eight billion, six hundred eighty-one million, three hundred fifty thousand, eight hundred twenty".