26189952 has 64 divisors (see below), whose sum is σ = 70102560. Its totient is φ = 8663040.

The previous prime is 26189921. The next prime is 26189959. The reversal of 26189952 is 25998162.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (26189959) 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, 92403 + ... + 92685.

Almost surely, 2^26189952 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 26189952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35051280).

26189952 is an abundant number, since it is smaller than the sum of its proper divisors (43912608).

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

26189952 is a wasteful number, since it uses less digits than its factorization.

26189952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 529 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 26189952 is about 5117.6119430844. The cubic root of 26189952 is about 296.9693083500.

The spelling of 26189952 in words is "twenty-six million, one hundred eighty-nine thousand, nine hundred fifty-two".