180002406 has 8 divisors (see below), whose sum is σ = 360004824. Its totient is φ = 60000800.

The previous prime is 180002387. The next prime is 180002413. The reversal of 180002406 is 604200081.

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

180002406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000195 + ... + 15000206.

It is an arithmetic number, because the mean of its divisors is an integer number (45000603).

Almost surely, 2^180002406 is an apocalyptic number.

180002406 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.

180002406 is a wasteful number, since it uses less digits than its factorization.

180002406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000406.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 180002406 is about 13416.4975310250. The cubic root of 180002406 is about 564.6241330204.

Adding to 180002406 its reverse (604200081), we get a palindrome (784202487).

The spelling of 180002406 in words is "one hundred eighty million, two thousand, four hundred six".