1851830082050 has 72 divisors (see below), whose sum is σ = 3730634577900. Its totient is φ = 683588505600.

The previous prime is 1851830082043. The next prime is 1851830082061. The reversal of 1851830082050 is 502800381581.

It can be written as a sum of positive squares in 18 ways, for example, as 1082267783041 + 769562299009 = 1040321^2 + 877247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1851830081989 and 1851830082007.

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 35 ways as a sum of consecutive naturals, for example, 38516426 + ... + 38564474.

Almost surely, 2^{1851830082050} is an apocalyptic number.

1851830082050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1851830082050 is an abundant number, since it is smaller than the sum of its proper divisors (1878804495850).

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

1851830082050 is a wasteful number, since it uses less digits than its factorization.

1851830082050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52648 (or 52630 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 1851830082050 in words is "one trillion, eight hundred fifty-one billion, eight hundred thirty million, eighty-two thousand, fifty".