549040680 has 80 divisors (see below), whose sum is σ = 1845397620. Its totient is φ = 146409984.

The previous prime is 549040651. The next prime is 549040703. The reversal of 549040680 is 86040945.

It can be written as a sum of positive squares in 2 ways, for example, as 540004644 + 9036036 = 23238^2 + 3006^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81489 + ... + 87968.

Almost surely, 2^549040680 is an apocalyptic number.

It is an amenable number.

549040680 is an abundant number, since it is smaller than the sum of its proper divisors (1296356940).

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

549040680 is a wasteful number, since it uses less digits than its factorization.

549040680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169480 (or 169467 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 549040680 is about 23431.6171016855. The cubic root of 549040680 is about 818.8446350220.

The spelling of 549040680 in words is "five hundred forty-nine million, forty thousand, six hundred eighty".