550406609120 has 96 divisors (see below), whose sum is σ = 1377648826848. Its totient is φ = 207088058368.

The previous prime is 550406609113. The next prime is 550406609189. The reversal of 550406609120 is 21906604055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4556219 + ... + 4675461.

It is an arithmetic number, because the mean of its divisors is an integer number (14350508613).

Almost surely, 2^550406609120 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 550406609120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688824413424).

550406609120 is an abundant number, since it is smaller than the sum of its proper divisors (827242217728).

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

550406609120 is a wasteful number, since it uses less digits than its factorization.

550406609120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120972 (or 120964 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 550406609120 in words is "five hundred fifty billion, four hundred six million, six hundred nine thousand, one hundred twenty".