26042781 has 8 divisors (see below), whose sum is σ = 34784640. Its totient is φ = 17331392.

The previous prime is 26042773. The next prime is 26042789. The reversal of 26042781 is 18724062.

It is an interprime number because it is at equal distance from previous prime (26042773) and next prime (26042789).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26042781 - 2³ = 26042773 is a prime.

It is a super-2 number, since 2×26042781² = 1356452884427922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26042789) 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 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (4348080).

Almost surely, 2^26042781 is an apocalyptic number.

It is an amenable number.

26042781 is a deficient number, since it is larger than the sum of its proper divisors (8741859).

26042781 is a wasteful number, since it uses less digits than its factorization.

26042781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 26042781 is about 5103.2128115531. The cubic root of 26042781 is about 296.4120031163.

The spelling of 26042781 in words is "twenty-six million, forty-two thousand, seven hundred eighty-one".