26002240 has 112 divisors (see below), whose sum is σ = 69128640. Its totient is φ = 9236480.

The previous prime is 26002219. The next prime is 26002243. The reversal of 26002240 is 4220062.

It is a super-2 number, since 2×26002240² = 1352232970035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26002243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292116 + ... + 292204.

It is an arithmetic number, because the mean of its divisors is an integer number (617220).

Almost surely, 2^26002240 is an apocalyptic number.

26002240 is a gapful number since it is divisible by the number (20) 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 26002240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34564320).

26002240 is an abundant number, since it is smaller than the sum of its proper divisors (43126400).

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

26002240 is a wasteful number, since it uses less digits than its factorization.

26002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 26002240 is about 5099.2391589334. The cubic root of 26002240 is about 296.2581142774.

It can be divided in two parts, 260022 and 40, that added together give a palindrome (260062).

The spelling of 26002240 in words is "twenty-six million, two thousand, two hundred forty".