549904080 has 240 divisors, whose sum is σ = 1966106304. Its totient is φ = 126074880.

The previous prime is 549904073. The next prime is 549904087. The reversal of 549904080 is 80409945.

It is an interprime number because it is at equal distance from previous prime (549904073) and next prime (549904087).

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549904087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952752 + ... + 953328.

Almost surely, 2^549904080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549904080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983053152).

549904080 is an abundant number, since it is smaller than the sum of its proper divisors (1416202224).

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

549904080 is a wasteful number, since it uses less digits than its factorization.

549904080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 549904080 is about 23450.0336886752. The cubic root of 549904080 is about 819.2736379550.

The spelling of 549904080 in words is "five hundred forty-nine million, nine hundred four thousand, eighty".