1550320140200 has 96 divisors (see below), whose sum is σ = 3955004285400. Its totient is φ = 561625359360.

The previous prime is 1550320140199. The next prime is 1550320140203. The reversal of 1550320140200 is 20410230551.

It can be written as a sum of positive squares in 12 ways, for example, as 199253318884 + 1351066821316 = 446378^2 + 1162354^2 .

It is not an unprimeable number, because it can be changed into a prime (1550320140203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5487455 + ... + 5763054.

Almost surely, 2^{1550320140200} is an apocalyptic number.

1550320140200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550320140200 is an abundant number, since it is smaller than the sum of its proper divisors (2404684145200).

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

1550320140200 is a wasteful number, since it uses less digits than its factorization.

1550320140200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250591 (or 11250582 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 1550320140200 its reverse (20410230551), we get a palindrome (1570730370751).

The spelling of 1550320140200 in words is "one trillion, five hundred fifty billion, three hundred twenty million, one hundred forty thousand, two hundred".