180940038 has 8 divisors (see below), whose sum is σ = 361880088. Its totient is φ = 60313344.

The previous prime is 180940037. The next prime is 180940049. The reversal of 180940038 is 830049081.

It is a sphenic number, since it is the product of 3 distinct primes.

180940038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 180939990 and 180940008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180940031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15078331 + ... + 15078342.

It is an arithmetic number, because the mean of its divisors is an integer number (45235011).

Almost surely, 2^180940038 is an apocalyptic number.

180940038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

180940038 is a wasteful number, since it uses less digits than its factorization.

180940038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30156678.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 180940038 is about 13451.3953923004. The cubic root of 180940038 is about 565.6028108182.

The spelling of 180940038 in words is "one hundred eighty million, nine hundred forty thousand, thirty-eight".