180050138785449 has 24 divisors (see below), whose sum is σ = 282591427040000. Its totient is φ = 110047623023520.

The previous prime is 180050138785441. The next prime is 180050138785553. The reversal of 180050138785449 is 944587831050081.

180050138785449 is a `hidden beast` number, since 1 + 8 + 0 + 0 + 5 + 0 + 1 + 3 + 87 + 8 + 544 + 9 = 666.

It is not a de Polignac number, because 180050138785449 - 2³ = 180050138785441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (180050138785441) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16982652574 + ... + 16982663175.

Almost surely, 2^{180050138785449} is an apocalyptic number.

180050138785449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

180050138785449 is a deficient number, since it is larger than the sum of its proper divisors (102541288254551).

180050138785449 is a wasteful number, since it uses less digits than its factorization.

180050138785449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33965315805 (or 33965315802 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 180050138785449 in words is "one hundred eighty trillion, fifty billion, one hundred thirty-eight million, seven hundred eighty-five thousand, four hundred forty-nine".