16450404 has 48 divisors (see below), whose sum is σ = 39533760. Its totient is φ = 5322240.

The previous prime is 16450403. The next prime is 16450411. The reversal of 16450404 is 40405461.

16450404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16450403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77859 + ... + 78069.

It is an arithmetic number, because the mean of its divisors is an integer number (823620).

Almost surely, 2^16450404 is an apocalyptic number.

It is an amenable number.

16450404 is an abundant number, since it is smaller than the sum of its proper divisors (23083356).

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

16450404 is a wasteful number, since it uses less digits than its factorization.

16450404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 16450404 is about 4055.9097623098. The cubic root of 16450404 is about 254.3268365811.

Adding to 16450404 its reverse (40405461), we get a palindrome (56855865).

The spelling of 16450404 in words is "sixteen million, four hundred fifty thousand, four hundred four".