181234675344 has 20 divisors (see below), whose sum is σ = 468189578096. Its totient is φ = 60411558432.

The previous prime is 181234675309. The next prime is 181234675351. The reversal of 181234675344 is 443576432181.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 3775722403 = 181234675344 / (1 + 8 + 1 + 2 + 3 + 4 + 6 + 7 + 5 + 3 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 181234675293 and 181234675302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887861154 + ... + 1887861249.

Almost surely, 2^181234675344 is an apocalyptic number.

It is an amenable number.

181234675344 is an abundant number, since it is smaller than the sum of its proper divisors (286954902752).

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

181234675344 is a wasteful number, since it uses less digits than its factorization.

181234675344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775722414 (or 3775722408 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 181234675344 in words is "one hundred eighty-one billion, two hundred thirty-four million, six hundred seventy-five thousand, three hundred forty-four".