8026440 has 64 divisors (see below), whose sum is σ = 24269760. Its totient is φ = 2123520.

The previous prime is 8026429. The next prime is 8026451. The reversal of 8026440 is 446208.

It is an interprime number because it is at equal distance from previous prime (8026429) and next prime (8026451).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8026440.

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, 25162 + ... + 25478.

It is an arithmetic number, because the mean of its divisors is an integer number (379215).

Almost surely, 2^8026440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8026440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12134880).

8026440 is an abundant number, since it is smaller than the sum of its proper divisors (16243320).

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

8026440 is a wasteful number, since it uses less digits than its factorization.

8026440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8026440 is about 2833.0972450659. The cubic root of 8026440 is about 200.2200910442.

The spelling of 8026440 in words is "eight million, twenty-six thousand, four hundred forty".