1838274728382 has 24 divisors (see below), whose sum is σ = 3984069627720. Its totient is φ = 612582696720.

The previous prime is 1838274728377. The next prime is 1838274728413. The reversal of 1838274728382 is 2838274728381.

1838274728382 is a `hidden beast` number, since 1 + 8 + 3 + 8 + 2 + 7 + 472 + 83 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14564257 + ... + 14689932.

It is an arithmetic number, because the mean of its divisors is an integer number (166002901155).

Almost surely, 2^{1838274728382} is an apocalyptic number.

1838274728382 is an abundant number, since it is smaller than the sum of its proper divisors (2145794899338).

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

1838274728382 is a wasteful number, since it uses less digits than its factorization.

1838274728382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29257688 (or 29257685 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 63.

Subtracting 1838274728382 from its reverse (2838274728381), we obtain a palindrome (999999999999).

The spelling of 1838274728382 in words is "one trillion, eight hundred thirty-eight billion, two hundred seventy-four million, seven hundred twenty-eight thousand, three hundred eighty-two".