550324121340 has 192 divisors, whose sum is σ = 1812791844864. Its totient is φ = 122126683392.

The previous prime is 550324121323. The next prime is 550324121357. The reversal of 550324121340 is 43121423055.

It is an interprime number because it is at equal distance from previous prime (550324121323) and next prime (550324121357).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 550324121298 and 550324121307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2924787 + ... + 3107253.

It is an arithmetic number, because the mean of its divisors is an integer number (9441624192).

Almost surely, 2^550324121340 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 550324121340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906395922432).

550324121340 is an abundant number, since it is smaller than the sum of its proper divisors (1262467723524).

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

550324121340 is a wasteful number, since it uses less digits than its factorization.

550324121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182696 (or 182694 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 550324121340 its reverse (43121423055), we get a palindrome (593445544395).

The spelling of 550324121340 in words is "five hundred fifty billion, three hundred twenty-four million, one hundred twenty-one thousand, three hundred forty".