26561446 has 16 divisors (see below), whose sum is σ = 42904080. Its totient is φ = 12286720.

The previous prime is 26561407. The next prime is 26561453. The reversal of 26561446 is 64416562.

It is a super-2 number, since 2×26561446² = 1411020827221832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615 + ... + 8626.

It is an arithmetic number, because the mean of its divisors is an integer number (2681505).

Almost surely, 2^26561446 is an apocalyptic number.

26561446 is a deficient number, since it is larger than the sum of its proper divisors (16342634).

26561446 is a wasteful number, since it uses less digits than its factorization.

26561446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13319.

The product of its digits is 34560, while the sum is 34.

The square root of 26561446 is about 5153.7797779882. The cubic root of 26561446 is about 298.3668514785.

The spelling of 26561446 in words is "twenty-six million, five hundred sixty-one thousand, four hundred forty-six".