548640 has 96 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 145152.

The previous prime is 548629. The next prime is 548657. The reversal of 548640 is 46845.

548640 = 7³ + 8³ + ... + 38³.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

548640 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2⁵⁴⁸⁶⁴⁰ 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 548640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680).

548640 is an abundant number, since it is smaller than the sum of its proper divisors (1386720).

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

548640 is a wasteful number, since it uses less digits than its factorization.

548640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 548640 is about 740.7023693765. The cubic root of 548640 is about 81.8645393858.

The spelling of 548640 in words is "five hundred forty-eight thousand, six hundred forty".