548274240 has 168 divisors, whose sum is σ = 1901952000. Its totient is φ = 144958464.

The previous prime is 548274211. The next prime is 548274247. The reversal of 548274240 is 42472845.

548274240 is a `hidden beast` number, since 548 + 2 + 74 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 548274195 and 548274204.

It is not an unprimeable number, because it can be changed into a prime (548274247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365011 + ... + 366509.

Almost surely, 2^548274240 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 548274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950976000).

548274240 is an abundant number, since it is smaller than the sum of its proper divisors (1353677760).

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

548274240 is a wasteful number, since it uses less digits than its factorization.

548274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 548274240 is about 23415.2565648980. The cubic root of 548274240 is about 818.4634322170.

The spelling of 548274240 in words is "five hundred forty-eight million, two hundred seventy-four thousand, two hundred forty".