16814240 has 48 divisors (see below), whose sum is σ = 41821920. Its totient is φ = 6370560.

The previous prime is 16814227. The next prime is 16814249. The reversal of 16814240 is 4241861.

It is not an unprimeable number, because it can be changed into a prime (16814249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (871290).

Almost surely, 2^16814240 is an apocalyptic number.

16814240 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 16814240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20910960).

16814240 is an abundant number, since it is smaller than the sum of its proper divisors (25007680).

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

16814240 is a wasteful number, since it uses less digits than its factorization.

16814240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5557 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 16814240 is about 4100.5170405694. The cubic root of 16814240 is about 256.1881754479.

The spelling of 16814240 in words is "sixteen million, eight hundred fourteen thousand, two hundred forty".