180400382 has 16 divisors (see below), whose sum is σ = 283832640. Its totient is φ = 85893408.

The previous prime is 180400361. The next prime is 180400391. The reversal of 180400382 is 283004081.

180400382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22457 + ... + 29412.

It is an arithmetic number, because the mean of its divisors is an integer number (17739540).

Almost surely, 2^180400382 is an apocalyptic number.

180400382 is a deficient number, since it is larger than the sum of its proper divisors (103432258).

180400382 is a wasteful number, since it uses less digits than its factorization.

180400382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51955.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 180400382 is about 13431.3209328048. The cubic root of 180400382 is about 565.0399449661.

The spelling of 180400382 in words is "one hundred eighty million, four hundred thousand, three hundred eighty-two".