181250959044 has 48 divisors (see below), whose sum is σ = 427182602112. Its totient is φ = 59809193472.

The previous prime is 181250959033. The next prime is 181250959073. The reversal of 181250959044 is 440959052181.

It is a junction number, because it is equal to n+sod(n) for n = 181250958984 and 181250959002.

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, 1034782 + ... + 1197194.

It is an arithmetic number, because the mean of its divisors is an integer number (8899637544).

Almost surely, 2^181250959044 is an apocalyptic number.

It is an amenable number.

181250959044 is an abundant number, since it is smaller than the sum of its proper divisors (245931643068).

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

181250959044 is a wasteful number, since it uses less digits than its factorization.

181250959044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163356 (or 163354 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 181250959044 in words is "one hundred eighty-one billion, two hundred fifty million, nine hundred fifty-nine thousand, forty-four".