26051280 has 160 divisors (see below), whose sum is σ = 88387200. Its totient is φ = 6322176.

The previous prime is 26051257. The next prime is 26051281. The reversal of 26051280 is 8215062.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26051280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26051281) 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, 132142 + ... + 132338.

It is an arithmetic number, because the mean of its divisors is an integer number (552420).

Almost surely, 2^26051280 is an apocalyptic number.

26051280 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 26051280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44193600).

26051280 is an abundant number, since it is smaller than the sum of its proper divisors (62335920).

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

26051280 is a wasteful number, since it uses less digits than its factorization.

26051280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 26051280 is about 5104.0454543431. The cubic root of 26051280 is about 296.4442440614. Note that the first 3 decimals are identical.

The spelling of 26051280 in words is "twenty-six million, fifty-one thousand, two hundred eighty".