16941440 has 64 divisors (see below), whose sum is σ = 41052960. Its totient is φ = 6684672.

The previous prime is 16941439. The next prime is 16941443. The reversal of 16941440 is 4414961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16941443) 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, 65792 + ... + 66048.

Almost surely, 2^16941440 is an apocalyptic number.

16941440 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 16941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20526480).

16941440 is an abundant number, since it is smaller than the sum of its proper divisors (24111520).

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

16941440 is a wasteful number, since it uses less digits than its factorization.

16941440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16941440 is about 4115.9980563649. The cubic root of 16941440 is about 256.8325757791.

The spelling of 16941440 in words is "sixteen million, nine hundred forty-one thousand, four hundred forty".