26518009470 has 128 divisors (see below), whose sum is σ = 68545128960. Its totient is φ = 6541946880.

The previous prime is 26518009457. The next prime is 26518009489. The reversal of 26518009470 is 7490081562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8930146 + ... + 8933114.

It is an arithmetic number, because the mean of its divisors is an integer number (535508820).

Almost surely, 2^26518009470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26518009470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34272564480).

26518009470 is an abundant number, since it is smaller than the sum of its proper divisors (42027119490).

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

26518009470 is a wasteful number, since it uses less digits than its factorization.

26518009470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 26518009470 in words is "twenty-six billion, five hundred eighteen million, nine thousand, four hundred seventy".