549903189888 has 768 divisors, whose sum is σ = 1924715520000. Its totient is φ = 148853293056.

The previous prime is 549903189881. The next prime is 549903189893. The reversal of 549903189888 is 888981309945.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549903189881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 382141873 + ... + 382143311.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140000).

Almost surely, 2^549903189888 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 549903189888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962357760000).

549903189888 is an abundant number, since it is smaller than the sum of its proper divisors (1374812330112).

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

549903189888 is a wasteful number, since it uses less digits than its factorization.

549903189888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 72.

It can be divided in two parts, 54990 and 3189888, that added together give a triangular number (3244878 = T₂₅₄₇).

The spelling of 549903189888 in words is "five hundred forty-nine billion, nine hundred three million, one hundred eighty-nine thousand, eight hundred eighty-eight".