26491029 has 8 divisors (see below), whose sum is σ = 35345952. Its totient is φ = 17648400.

The previous prime is 26491013. The next prime is 26491039. The reversal of 26491029 is 92019462.

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

It is not a de Polignac number, because 26491029 - 2⁴ = 26491013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26491039) by changing a digit.

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, 4954 + ... + 8804.

It is an arithmetic number, because the mean of its divisors is an integer number (4418244).

Almost surely, 2^26491029 is an apocalyptic number.

It is an amenable number.

26491029 is a deficient number, since it is larger than the sum of its proper divisors (8854923).

26491029 is a wasteful number, since it uses less digits than its factorization.

26491029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 26491029 is about 5146.9436561905. The cubic root of 26491029 is about 298.1029515314.

The spelling of 26491029 in words is "twenty-six million, four hundred ninety-one thousand, twenty-nine".