548778340 has 24 divisors (see below), whose sum is σ = 1257201792. Its totient is φ = 199555680.

The previous prime is 548778331. The next prime is 548778407. The reversal of 548778340 is 43877845.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247004 + ... + 1247443.

It is an arithmetic number, because the mean of its divisors is an integer number (52383408).

Almost surely, 2^548778340 is an apocalyptic number.

It is an amenable number.

548778340 is an abundant number, since it is smaller than the sum of its proper divisors (708423452).

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

548778340 is a wasteful number, since it uses less digits than its factorization.

548778340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494467 (or 2494465 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 548778340 is about 23426.0184410411. The cubic root of 548778340 is about 818.7141954313.

The spelling of 548778340 in words is "five hundred forty-eight million, seven hundred seventy-eight thousand, three hundred forty".