16041400 has 24 divisors (see below), whose sum is σ = 37296720. Its totient is φ = 6416480.

The previous prime is 16041397. The next prime is 16041401. The reversal of 16041400 is 414061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16041401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39904 + ... + 40303.

It is an arithmetic number, because the mean of its divisors is an integer number (1554030).

Almost surely, 2^16041400 is an apocalyptic number.

16041400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16041400 is an abundant number, since it is smaller than the sum of its proper divisors (21255320).

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

16041400 is a wasteful number, since it uses less digits than its factorization.

16041400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80223 (or 80214 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 16041400 is about 4005.1716567458. The cubic root of 16041400 is about 252.2013591765.

Adding to 16041400 its reverse (414061), we get a palindrome (16455461).

The spelling of 16041400 in words is "sixteen million, forty-one thousand, four hundred".