26481285 has 48 divisors (see below), whose sum is σ = 48642048. Its totient is φ = 13305600.

The previous prime is 26481277. The next prime is 26481289. The reversal of 26481285 is 58218462.

26481285 is a `hidden beast` number, since 2 + 648 + 1 + 2 + 8 + 5 = 666.

It is not a de Polignac number, because 26481285 - 2³ = 26481277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26481289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56964 + ... + 57426.

It is an arithmetic number, because the mean of its divisors is an integer number (1013376).

Almost surely, 2^26481285 is an apocalyptic number.

It is an amenable number.

26481285 is a deficient number, since it is larger than the sum of its proper divisors (22160763).

26481285 is a wasteful number, since it uses less digits than its factorization.

26481285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 26481285 is about 5145.9969879509. The cubic root of 26481285 is about 298.0663973785.

The spelling of 26481285 in words is "twenty-six million, four hundred eighty-one thousand, two hundred eighty-five".