26143872 has 64 divisors (see below), whose sum is σ = 70224960. Its totient is φ = 8616960.

The previous prime is 26143861. The next prime is 26143883. The reversal of 26143872 is 27834162.

It is an interprime number because it is at equal distance from previous prime (26143861) and next prime (26143883).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39222 + ... + 39882.

It is an arithmetic number, because the mean of its divisors is an integer number (1097265).

Almost surely, 2^26143872 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 26143872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112480).

26143872 is an abundant number, since it is smaller than the sum of its proper divisors (44081088).

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

26143872 is a wasteful number, since it uses less digits than its factorization.

26143872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 769 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 26143872 is about 5113.1078611741. The cubic root of 26143872 is about 296.7950382172.

The spelling of 26143872 in words is "twenty-six million, one hundred forty-three thousand, eight hundred seventy-two".