26240827392 has 420 divisors, whose sum is σ = 85238107780. Its totient is φ = 8074100736.

The previous prime is 26240827391. The next prime is 26240827399. The reversal of 26240827392 is 29372804262.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 967458816 + 25273368576 = 31104^2 + 158976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26240827391) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2018525178 + ... + 2018525190.

Almost surely, 2^26240827392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26240827392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42619053890).

26240827392 is an abundant number, since it is smaller than the sum of its proper divisors (58997280388).

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

26240827392 is an frugal number, since it uses more digits than its factorization.

26240827392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 26240827392 in words is "twenty-six billion, two hundred forty million, eight hundred twenty-seven thousand, three hundred ninety-two".