549454899040 has 24 divisors (see below), whose sum is σ = 1298087199360. Its totient is φ = 219781959552.

The previous prime is 549454899029. The next prime is 549454899061. The reversal of 549454899040 is 40998454945.

It is a self number, because there is not a number n which added to its sum of digits gives 549454899040.

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, 1717046400 + ... + 1717046719.

It is an arithmetic number, because the mean of its divisors is an integer number (54086966640).

Almost surely, 2^549454899040 is an apocalyptic number.

It is an amenable number.

549454899040 is an abundant number, since it is smaller than the sum of its proper divisors (748632300320).

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

549454899040 is a wasteful number, since it uses less digits than its factorization.

549454899040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434093134 (or 3434093126 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 549454899040 in words is "five hundred forty-nine billion, four hundred fifty-four million, eight hundred ninety-nine thousand, forty".