180381223545246 has 24 divisors (see below), whose sum is σ = 390836399784480. Its totient is φ = 60125472140256.

The previous prime is 180381223545239. The next prime is 180381223545247. The reversal of 180381223545246 is 642545322183081.

180381223545246 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 81 + 2 + 2 + 35 + 4 + 524 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 180381223545192 and 180381223545201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180381223545247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132836950 + ... + 134187993.

It is an arithmetic number, because the mean of its divisors is an integer number (16284849991020).

Almost surely, 2^{180381223545246} is an apocalyptic number.

180381223545246 is an abundant number, since it is smaller than the sum of its proper divisors (210455176239234).

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

180381223545246 is a wasteful number, since it uses less digits than its factorization.

180381223545246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267062480 (or 267062477 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 180381223545246 in words is "one hundred eighty trillion, three hundred eighty-one billion, two hundred twenty-three million, five hundred forty-five thousand, two hundred forty-six".