549140408 has 16 divisors (see below), whose sum is σ = 1032291000. Its totient is φ = 273862816.

The previous prime is 549140393. The next prime is 549140447. The reversal of 549140408 is 804041945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85118 + ... + 91341.

Almost surely, 2^549140408 is an apocalyptic number.

It is an amenable number.

549140408 is a deficient number, since it is larger than the sum of its proper divisors (483150592).

549140408 is a wasteful number, since it uses less digits than its factorization.

549140408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176854 (or 176850 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 549140408 is about 23433.7450698773. The cubic root of 549140408 is about 818.8942104584.

The spelling of 549140408 in words is "five hundred forty-nine million, one hundred forty thousand, four hundred eight".