549099408 has 80 divisors (see below), whose sum is σ = 1666518336. Its totient is φ = 153592320.

The previous prime is 549099391. The next prime is 549099409. The reversal of 549099408 is 804990945.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (549099409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33135 + ... + 46862.

Almost surely, 2^549099408 is an apocalyptic number.

It is an amenable number.

549099408 is an abundant number, since it is smaller than the sum of its proper divisors (1117418928).

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

549099408 is a wasteful number, since it uses less digits than its factorization.

549099408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80032 (or 80026 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 549099408 is about 23432.8702467282. The cubic root of 549099408 is about 818.8738298188.

The spelling of 549099408 in words is "five hundred forty-nine million, ninety-nine thousand, four hundred eight".