548140240 has 20 divisors (see below), whose sum is σ = 1274426244. Its totient is φ = 219256064.

The previous prime is 548140207. The next prime is 548140261. The reversal of 548140240 is 42041845.

It can be written as a sum of positive squares in 2 ways, for example, as 200392336 + 347747904 = 14156^2 + 18648^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 548140199 and 548140208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425797 + ... + 3425956.

Almost surely, 2^548140240 is an apocalyptic number.

It is an amenable number.

548140240 is an abundant number, since it is smaller than the sum of its proper divisors (726286004).

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

548140240 is a wasteful number, since it uses less digits than its factorization.

548140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851766 (or 6851760 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 548140240 is about 23412.3950077731. The cubic root of 548140240 is about 818.3967484129.

The spelling of 548140240 in words is "five hundred forty-eight million, one hundred forty thousand, two hundred forty".