16344240 has 160 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 3840000.

The previous prime is 16344221. The next prime is 16344241. The reversal of 16344240 is 4244361.

16344240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16344240.

It is not an unprimeable number, because it can be changed into a prime (16344241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108165 + ... + 108315.

Almost surely, 2^16344240 is an apocalyptic number.

16344240 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 16344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28498176).

16344240 is an abundant number, since it is smaller than the sum of its proper divisors (40652112).

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

16344240 is a wasteful number, since it uses less digits than its factorization.

16344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16344240 is about 4042.8010092014. The cubic root of 16344240 is about 253.7785492076.

The spelling of 16344240 in words is "sixteen million, three hundred forty-four thousand, two hundred forty".