549204468 has 72 divisors (see below), whose sum is σ = 1334106144. Its totient is φ = 175824000.

The previous prime is 549204451. The next prime is 549204479. The reversal of 549204468 is 864402945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659063 + ... + 1659393.

It is an arithmetic number, because the mean of its divisors is an integer number (18529252).

Almost surely, 2^549204468 is an apocalyptic number.

It is an amenable number.

549204468 is an abundant number, since it is smaller than the sum of its proper divisors (784901676).

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

549204468 is a wasteful number, since it uses less digits than its factorization.

549204468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 549204468 is about 23435.1118623317. Note that the first 3 decimals coincide. The cubic root of 549204468 is about 818.9260519344.

The spelling of 549204468 in words is "five hundred forty-nine million, two hundred four thousand, four hundred sixty-eight".