16341440 has 56 divisors (see below), whose sum is σ = 39258240. Its totient is φ = 6478848.

The previous prime is 16341439. The next prime is 16341509. The reversal of 16341440 is 4414361.

16341440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16341440² = 534085322547200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71246 + ... + 71474.

It is an arithmetic number, because the mean of its divisors is an integer number (701040).

Almost surely, 2^16341440 is an apocalyptic number.

16341440 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 16341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19629120).

16341440 is an abundant number, since it is smaller than the sum of its proper divisors (22916800).

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

16341440 is a wasteful number, since it uses less digits than its factorization.

16341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16341440 is about 4042.4546998080. The cubic root of 16341440 is about 253.7640564257.

The spelling of 16341440 in words is "sixteen million, three hundred forty-one thousand, four hundred forty".