548380664 has 24 divisors (see below), whose sum is σ = 1113393960. Its totient is φ = 253098144.

The previous prime is 548380661. The next prime is 548380681. The reversal of 548380664 is 466083845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548380661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201452 + ... + 204155.

It is an arithmetic number, because the mean of its divisors is an integer number (46391415).

Almost surely, 2^548380664 is an apocalyptic number.

It is an amenable number.

548380664 is an abundant number, since it is smaller than the sum of its proper divisors (565013296).

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

548380664 is a wasteful number, since it uses less digits than its factorization.

548380664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405639 (or 405622 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 548380664 is about 23417.5289900536. The cubic root of 548380664 is about 818.5163853505.

The spelling of 548380664 in words is "five hundred forty-eight million, three hundred eighty thousand, six hundred sixty-four".