26405952 has 56 divisors (see below), whose sum is σ = 70750176. Its totient is φ = 8690688.

The previous prime is 26405933. The next prime is 26405959. The reversal of 26405952 is 25950462.

It is not an unprimeable number, because it can be changed into a prime (26405959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15108 + ... + 16764.

It is an arithmetic number, because the mean of its divisors is an integer number (1263396).

Almost surely, 2^26405952 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 26405952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35375088).

26405952 is an abundant number, since it is smaller than the sum of its proper divisors (44344224).

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

26405952 is a wasteful number, since it uses less digits than its factorization.

26405952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 26405952 is about 5138.6722020382. The cubic root of 26405952 is about 297.7834861079.

The spelling of 26405952 in words is "twenty-six million, four hundred five thousand, nine hundred fifty-two".