26281157 has 16 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 21425712.

The previous prime is 26281141. The next prime is 26281159. The reversal of 26281157 is 75118262.

It is not a de Polignac number, because 26281157 - 2⁴ = 26281141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26281159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38138 + ... + 38820.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^26281157 is an apocalyptic number.

It is an amenable number.

26281157 is a deficient number, since it is larger than the sum of its proper divisors (5237563).

26281157 is a wasteful number, since it uses less digits than its factorization.

26281157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 6720, while the sum is 32.

The square root of 26281157 is about 5126.5150931213. The cubic root of 26281157 is about 297.3136351323.

The spelling of 26281157 in words is "twenty-six million, two hundred eighty-one thousand, one hundred fifty-seven".