26645892 has 72 divisors (see below), whose sum is σ = 76982976. Its totient is φ = 7023744.

The previous prime is 26645881. The next prime is 26645893. The reversal of 26645892 is 29854662.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26645893) 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 23 ways as a sum of consecutive naturals, for example, 13258 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (1069208).

Almost surely, 2^26645892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26645892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38491488).

26645892 is an abundant number, since it is smaller than the sum of its proper divisors (50337084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26645892 is a wasteful number, since it uses less digits than its factorization.

26645892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1902 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 26645892 is about 5161.9659045755. The cubic root of 26645892 is about 298.6827132065.

The spelling of 26645892 in words is "twenty-six million, six hundred forty-five thousand, eight hundred ninety-two".