26344920 has 128 divisors (see below), whose sum is σ = 91699200. Its totient is φ = 5930496.

The previous prime is 26344891. The next prime is 26344921. The reversal of 26344920 is 2944362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26344921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66162 + ... + 66558.

It is an arithmetic number, because the mean of its divisors is an integer number (716400).

Almost surely, 2^26344920 is an apocalyptic number.

26344920 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 26344920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45849600).

26344920 is an abundant number, since it is smaller than the sum of its proper divisors (65354280).

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

26344920 is a wasteful number, since it uses less digits than its factorization.

26344920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 26344920 is about 5132.7302676061. The cubic root of 26344920 is about 297.5538870915.

The spelling of 26344920 in words is "twenty-six million, three hundred forty-four thousand, nine hundred twenty".