548328420864 has 720 divisors, whose sum is σ = 2006397542160. Its totient is φ = 147397017600.

The previous prime is 548328420853. The next prime is 548328420883. The reversal of 548328420864 is 468024823845.

548328420864 is a `hidden beast` number, since 5 + 483 + 2 + 84 + 2 + 0 + 86 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 548328420864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 195760264 + ... + 195763064.

It is an arithmetic number, because the mean of its divisors is an integer number (2786663253).

Almost surely, 2^548328420864 is an apocalyptic number.

548328420864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548328420864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003198771080).

548328420864 is an abundant number, since it is smaller than the sum of its proper divisors (1458069121296).

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

548328420864 is a wasteful number, since it uses less digits than its factorization.

548328420864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 54.

The spelling of 548328420864 in words is "five hundred forty-eight billion, three hundred twenty-eight million, four hundred twenty thousand, eight hundred sixty-four".