548648432640 has 2464 divisors, whose sum is σ = 2598071003136. Its totient is φ = 107734302720.

The previous prime is 548648432639. The next prime is 548648432677. The reversal of 548648432640 is 46234846845.

It is a happy number.

548648432640 is a `hidden beast` number, since 54 + 86 + 48 + 432 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (2464).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 6610222039 + ... + 6610222121.

Almost surely, 2^548648432640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548648432640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299035501568).

548648432640 is an abundant number, since it is smaller than the sum of its proper divisors (2049422570496).

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

548648432640 is a wasteful number, since it uses less digits than its factorization.

548648432640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 54.

The spelling of 548648432640 in words is "five hundred forty-eight billion, six hundred forty-eight million, four hundred thirty-two thousand, six hundred forty".