1838340600552 has 96 divisors (see below), whose sum is σ = 5114543152680. Its totient is φ = 596085557760.

The previous prime is 1838340600541. The next prime is 1838340600571. The reversal of 1838340600552 is 2550060438381.

1838340600552 is a `hidden beast` number, since 1 + 8 + 3 + 8 + 34 + 0 + 60 + 0 + 552 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1661330233476 + 177010367076 = 1288926^2 + 420726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1838340600498 and 1838340600507.

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 23 ways as a sum of consecutive naturals, for example, 12235678 + ... + 12385010.

Almost surely, 2^{1838340600552} is an apocalyptic number.

1838340600552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838340600552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557271576340).

1838340600552 is an abundant number, since it is smaller than the sum of its proper divisors (3276202552128).

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

1838340600552 is a wasteful number, since it uses less digits than its factorization.

1838340600552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154003 (or 153996 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 1838340600552 in words is "one trillion, eight hundred thirty-eight billion, three hundred forty million, six hundred thousand, five hundred fifty-two".