26404144 has 20 divisors (see below), whose sum is σ = 55093696. Its totient is φ = 12186432.

The previous prime is 26404121. The next prime is 26404151. The reversal of 26404144 is 44140462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63264 + ... + 63679.

Almost surely, 2^26404144 is an apocalyptic number.

It is an amenable number.

26404144 is an abundant number, since it is smaller than the sum of its proper divisors (28689552).

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

26404144 is a wasteful number, since it uses less digits than its factorization.

26404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126964 (or 126958 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 26404144 is about 5138.4962780954. The cubic root of 26404144 is about 297.7766895994.

The spelling of 26404144 in words is "twenty-six million, four hundred four thousand, one hundred forty-four".