549411880 has 32 divisors (see below), whose sum is σ = 1248929640. Its totient is φ = 217497600.

The previous prime is 549411871. The next prime is 549411881. The reversal of 549411880 is 88114945.

It can be written as a sum of positive squares in 4 ways, for example, as 539261284 + 10150596 = 23222^2 + 3186^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (549411881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66921 + ... + 74680.

Almost surely, 2^549411880 is an apocalyptic number.

It is an amenable number.

549411880 is an abundant number, since it is smaller than the sum of its proper divisors (699517760).

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

549411880 is a wasteful number, since it uses less digits than its factorization.

549411880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141709 (or 141705 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 549411880 is about 23439.5366848409. The cubic root of 549411880 is about 819.0291305522.

The spelling of 549411880 in words is "five hundred forty-nine million, four hundred eleven thousand, eight hundred eighty".