26440403160 has 128 divisors (see below), whose sum is σ = 82170936000. Its totient is φ = 6798145536.

The previous prime is 26440403153. The next prime is 26440403221. The reversal of 26440403160 is 6130404462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2685126 + ... + 2694954.

Almost surely, 2^26440403160 is an apocalyptic number.

26440403160 is a gapful number since it is divisible by the number (20) 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 26440403160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41085468000).

26440403160 is an abundant number, since it is smaller than the sum of its proper divisors (55730532840).

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

26440403160 is a wasteful number, since it uses less digits than its factorization.

26440403160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10645 (or 10641 counting only the distinct ones).

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

The spelling of 26440403160 in words is "twenty-six billion, four hundred forty million, four hundred three thousand, one hundred sixty".