180078044 has 12 divisors (see below), whose sum is σ = 319840584. Its totient is φ = 88695024.

The previous prime is 180078037. The next prime is 180078049. The reversal of 180078044 is 440870081.

It is a self number, because there is not a number n which added to its sum of digits gives 180078044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180078049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 335699 + ... + 336234.

It is an arithmetic number, because the mean of its divisors is an integer number (26653382).

Almost surely, 2^180078044 is an apocalyptic number.

It is an amenable number.

180078044 is a deficient number, since it is larger than the sum of its proper divisors (139762540).

180078044 is a wasteful number, since it uses less digits than its factorization.

180078044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672004 (or 672002 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 180078044 is about 13419.3160779527. The cubic root of 180078044 is about 564.7032079998.

The spelling of 180078044 in words is "one hundred eighty million, seventy-eight thousand, forty-four".