551513104340 has 36 divisors (see below), whose sum is σ = 1273038105108. Its totient is φ = 200550218880.

The previous prime is 551513104339. The next prime is 551513104361. The reversal of 551513104340 is 43401315155.

It can be written as a sum of positive squares in 2 ways, for example, as 119940312976 + 431572791364 = 346324^2 + 656942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551513104297 and 551513104306.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 113946569 + ... + 113951408.

Almost surely, 2^551513104340 is an apocalyptic number.

It is an amenable number.

551513104340 is an abundant number, since it is smaller than the sum of its proper divisors (721525000768).

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

551513104340 is a wasteful number, since it uses less digits than its factorization.

551513104340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227898008 (or 227897995 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 551513104340 its reverse (43401315155), we get a palindrome (594914419495).

The spelling of 551513104340 in words is "five hundred fifty-one billion, five hundred thirteen million, one hundred four thousand, three hundred forty".