26341680 has 80 divisors (see below), whose sum is σ = 83682144. Its totient is φ = 6850560.

The previous prime is 26341673. The next prime is 26341699. The reversal of 26341680 is 8614362.

It is a tau number, because it is divible by the number of its divisors (80).

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

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 15 ways as a sum of consecutive naturals, for example, 8502 + ... + 11178.

Almost surely, 2^26341680 is an apocalyptic number.

26341680 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 26341680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41841072).

26341680 is an abundant number, since it is smaller than the sum of its proper divisors (57340464).

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

26341680 is a wasteful number, since it uses less digits than its factorization.

26341680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 26341680 is about 5132.4146364065. The cubic root of 26341680 is about 297.5416884827.

The spelling of 26341680 in words is "twenty-six million, three hundred forty-one thousand, six hundred eighty".