180403104 has 72 divisors (see below), whose sum is σ = 550888128. Its totient is φ = 51542400.

The previous prime is 180403087. The next prime is 180403123. The reversal of 180403104 is 401304081.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14472 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (7651224).

Almost surely, 2^180403104 is an apocalyptic number.

180403104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

180403104 is an abundant number, since it is smaller than the sum of its proper divisors (370485024).

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

180403104 is a wasteful number, since it uses less digits than its factorization.

180403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378 (or 38363 counting only the distinct ones).

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

The square root of 180403104 is about 13431.4222627390. The cubic root of 180403104 is about 565.0427868503.

Adding to 180403104 its reverse (401304081), we get a palindrome (581707185).

The spelling of 180403104 in words is "one hundred eighty million, four hundred three thousand, one hundred four".