16841040 has 80 divisors (see below), whose sum is σ = 53353728. Its totient is φ = 4392448.

The previous prime is 16841039. The next prime is 16841057. The reversal of 16841040 is 4014861.

It is a tau number, because it is divible by the number of its divisors (80).

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 16841040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10534 + ... + 12026.

Almost surely, 2^16841040 is an apocalyptic number.

16841040 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 16841040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26676864).

16841040 is an abundant number, since it is smaller than the sum of its proper divisors (36512688).

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

16841040 is a wasteful number, since it uses less digits than its factorization.

16841040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 16841040 is about 4103.7836200268. The cubic root of 16841040 is about 256.3242148711.

The spelling of 16841040 in words is "sixteen million, eight hundred forty-one thousand, forty".