26436144 has 160 divisors (see below), whose sum is σ = 84994560. Its totient is φ = 6912000.

The previous prime is 26436143. The next prime is 26436161. The reversal of 26436144 is 44163462.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26436143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261694 + ... + 261794.

It is an arithmetic number, because the mean of its divisors is an integer number (531216).

Almost surely, 2^26436144 is an apocalyptic number.

26436144 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 26436144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42497280).

26436144 is an abundant number, since it is smaller than the sum of its proper divisors (58558416).

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

26436144 is a wasteful number, since it uses less digits than its factorization.

26436144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 173 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 26436144 is about 5141.6090866576. The cubic root of 26436144 is about 297.8969359670.

The spelling of 26436144 in words is "twenty-six million, four hundred thirty-six thousand, one hundred forty-four".