550112324400 has 180 divisors, whose sum is σ = 1911291277168. Its totient is φ = 146523824640.

The previous prime is 550112324371. The next prime is 550112324441. The reversal of 550112324400 is 4423211055.

It is a tau number, because it is divible by the number of its divisors (180).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2981229 + ... + 3160371.

Almost surely, 2^550112324400 is an apocalyptic number.

550112324400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550112324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955645638584).

550112324400 is an abundant number, since it is smaller than the sum of its proper divisors (1361178952768).

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

550112324400 is a wasteful number, since it uses less digits than its factorization.

550112324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180020 (or 180006 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 550112324400 its reverse (4423211055), we get a palindrome (554535535455).

The spelling of 550112324400 in words is "five hundred fifty billion, one hundred twelve million, three hundred twenty-four thousand, four hundred".