26196864 has 64 divisors (see below), whose sum is σ = 73697040. Its totient is φ = 8216576.

The previous prime is 26196857. The next prime is 26196899. The reversal of 26196864 is 46869162.

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

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, 4522 + ... + 8534.

Almost surely, 2^26196864 is an apocalyptic number.

26196864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26196864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36848520).

26196864 is an abundant number, since it is smaller than the sum of its proper divisors (47500176).

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

26196864 is a wasteful number, since it uses less digits than its factorization.

26196864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4035 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 26196864 is about 5118.2872135120. The cubic root of 26196864 is about 296.9954312349.

The spelling of 26196864 in words is "twenty-six million, one hundred ninety-six thousand, eight hundred sixty-four".