26680433 has 16 divisors (see below), whose sum is σ = 29541120. Its totient is φ = 23946624.

The previous prime is 26680417. The next prime is 26680439. The reversal of 26680433 is 33408662.

It is not a de Polignac number, because 26680433 - 2⁴ = 26680417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26680433.

It is not an unprimeable number, because it can be changed into a prime (26680439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85085 + ... + 85397.

It is an arithmetic number, because the mean of its divisors is an integer number (1846320).

Almost surely, 2^26680433 is an apocalyptic number.

It is an amenable number.

26680433 is a deficient number, since it is larger than the sum of its proper divisors (2860687).

26680433 is a wasteful number, since it uses less digits than its factorization.

26680433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 26680433 is about 5165.3105424553. The cubic root of 26680433 is about 298.8117180193.

The spelling of 26680433 in words is "twenty-six million, six hundred eighty thousand, four hundred thirty-three".