16241440 has 48 divisors (see below), whose sum is σ = 38864448. Its totient is φ = 6413056.

The previous prime is 16241437. The next prime is 16241441. The reversal of 16241440 is 4414261.

It is a super-3 number, since 3×16241440³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16241441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12669 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (809676).

Almost surely, 2^16241440 is an apocalyptic number.

16241440 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 16241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19432224).

16241440 is an abundant number, since it is smaller than the sum of its proper divisors (22623008).

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

16241440 is a wasteful number, since it uses less digits than its factorization.

16241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 16241440 is about 4030.0669969617. The cubic root of 16241440 is about 253.2453680434.

The spelling of 16241440 in words is "sixteen million, two hundred forty-one thousand, four hundred forty".