551334274036 has 96 divisors (see below), whose sum is σ = 1211466654720. Its totient is φ = 213749673984.

The previous prime is 551334273979. The next prime is 551334274063. The reversal of 551334274036 is 630472433155.

It is a junction number, because it is equal to n+sod(n) for n = 551334273983 and 551334274001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3585445 + ... + 3736051.

It is an arithmetic number, because the mean of its divisors is an integer number (12619444320).

Almost surely, 2^551334274036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551334274036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605733327360).

551334274036 is an abundant number, since it is smaller than the sum of its proper divisors (660132380684).

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

551334274036 is a wasteful number, since it uses less digits than its factorization.

551334274036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150833 (or 150831 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 551334274036 in words is "five hundred fifty-one billion, three hundred thirty-four million, two hundred seventy-four thousand, thirty-six".