16268840 has 64 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 5511168.

The previous prime is 16268839. The next prime is 16268899. The reversal of 16268840 is 4886261.

16268840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16268840.

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, 26861 + ... + 27459.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^16268840 is an apocalyptic number.

16268840 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 16268840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21168000).

16268840 is an abundant number, since it is smaller than the sum of its proper divisors (26067160).

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

16268840 is a wasteful number, since it uses less digits than its factorization.

16268840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 16268840 is about 4033.4650116246. The cubic root of 16268840 is about 253.3876999354.

The spelling of 16268840 in words is "sixteen million, two hundred sixty-eight thousand, eight hundred forty".