551431400204 has 48 divisors (see below), whose sum is σ = 1001227960320. Its totient is φ = 265458755520.

The previous prime is 551431400203. The next prime is 551431400237. The reversal of 551431400204 is 402004134155.

It is a super-2 number, since 2×551431400204² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551431400203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51952802 + ... + 51963414.

It is an arithmetic number, because the mean of its divisors is an integer number (20858915840).

Almost surely, 2^551431400204 is an apocalyptic number.

It is an amenable number.

551431400204 is a deficient number, since it is larger than the sum of its proper divisors (449796560116).

551431400204 is a wasteful number, since it uses less digits than its factorization.

551431400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 551431400204 its reverse (402004134155), we get a palindrome (953435534359).

The spelling of 551431400204 in words is "five hundred fifty-one billion, four hundred thirty-one million, four hundred thousand, two hundred four".