550401404200 has 24 divisors (see below), whose sum is σ = 1279683265230. Its totient is φ = 220160561600.

The previous prime is 550401404197. The next prime is 550401404207. The reversal of 550401404200 is 2404104055.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 286659584836 + 263741819364 = 535406^2 + 513558^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (550401404207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376003311 + ... + 1376003710.

Almost surely, 2^550401404200 is an apocalyptic number.

550401404200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550401404200 is an abundant number, since it is smaller than the sum of its proper divisors (729281861030).

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

550401404200 is a wasteful number, since it uses less digits than its factorization.

550401404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752007037 (or 2752007028 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 550401404200 its reverse (2404104055), we get a palindrome (552805508255).

The spelling of 550401404200 in words is "five hundred fifty billion, four hundred one million, four hundred four thousand, two hundred".