549588049920 has 1792 divisors, whose sum is σ = 2480192225280. Its totient is φ = 112368549888.

The previous prime is 549588049919. The next prime is 549588049949. The reversal of 549588049920 is 29940885945.

549588049920 is a `hidden beast` number, since 5 + 4 + 9 + 588 + 0 + 49 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1792).

It is a super-2 number, since 2×549588049920² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4327464897 + ... + 4327465023.

It is an arithmetic number, because the mean of its divisors is an integer number (1384035840).

Almost surely, 2^549588049920 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 549588049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240096112640).

549588049920 is an abundant number, since it is smaller than the sum of its proper divisors (1930604175360).

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

549588049920 is a wasteful number, since it uses less digits than its factorization.

549588049920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 549588049920 in words is "five hundred forty-nine billion, five hundred eighty-eight million, forty-nine thousand, nine hundred twenty".