16275400 has 48 divisors (see below), whose sum is σ = 39841200. Its totient is φ = 6166080.

The previous prime is 16275379. The next prime is 16275407. The reversal of 16275400 is 457261.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (16275407) 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 11 ways as a sum of consecutive naturals, for example, 1659 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (830025).

Almost surely, 2^16275400 is an apocalyptic number.

16275400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16275400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19920600).

16275400 is an abundant number, since it is smaller than the sum of its proper divisors (23565800).

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

16275400 is a wasteful number, since it uses less digits than its factorization.

16275400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4309 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 16275400 is about 4034.2781262575. The cubic root of 16275400 is about 253.4217527616.

The spelling of 16275400 in words is "sixteen million, two hundred seventy-five thousand, four hundred".