549894213120 has 960 divisors, whose sum is σ = 2132928680256. Its totient is φ = 120394874880.

The previous prime is 549894213079. The next prime is 549894213199. The reversal of 549894213120 is 21312498945.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 549894213120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1016440050 + ... + 1016440590.

Almost surely, 2^549894213120 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 549894213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066464340128).

549894213120 is an abundant number, since it is smaller than the sum of its proper divisors (1583034467136).

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

549894213120 is a wasteful number, since it uses less digits than its factorization.

549894213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 549894213120 in words is "five hundred forty-nine billion, eight hundred ninety-four million, two hundred thirteen thousand, one hundred twenty".