551322541340 has 48 divisors (see below), whose sum is σ = 1235407746720. Its totient is φ = 206060267520.

The previous prime is 551322541313. The next prime is 551322541369. The reversal of 551322541340 is 43145223155.

It is a self number, because there is not a number n which added to its sum of digits gives 551322541340.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9909581 + ... + 9965060.

It is an arithmetic number, because the mean of its divisors is an integer number (25737661390).

Almost surely, 2^551322541340 is an apocalyptic number.

It is an amenable number.

551322541340 is an abundant number, since it is smaller than the sum of its proper divisors (684085205380).

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

551322541340 is a wasteful number, since it uses less digits than its factorization.

551322541340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874742 (or 19874740 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 551322541340 its reverse (43145223155), we get a palindrome (594467764495).

The spelling of 551322541340 in words is "five hundred fifty-one billion, three hundred twenty-two million, five hundred forty-one thousand, three hundred forty".