549088995840 has 640 divisors, whose sum is σ = 2193756162048. Its totient is φ = 113823252480.

The previous prime is 549088995803. The next prime is 549088995887. The reversal of 549088995840 is 48599880945.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329386687 + ... + 329388353.

Almost surely, 2^549088995840 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 549088995840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096878081024).

549088995840 is an abundant number, since it is smaller than the sum of its proper divisors (1644667166208).

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

549088995840 is a wasteful number, since it uses less digits than its factorization.

549088995840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 69.

The spelling of 549088995840 in words is "five hundred forty-nine billion, eighty-eight million, nine hundred ninety-five thousand, eight hundred forty".