26480669451216 has 80 divisors (see below), whose sum is σ = 69384406363776. Its totient is φ = 8701088698368.

The previous prime is 26480669451127. The next prime is 26480669451217. The reversal of 26480669451216 is 61215496608462.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26480669451216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26480669451217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4128376 + ... + 8366888.

Almost surely, 2^{26480669451216} 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 26480669451216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34692203181888).

26480669451216 is an abundant number, since it is smaller than the sum of its proper divisors (42903736912560).

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

26480669451216 is a wasteful number, since it uses less digits than its factorization.

26480669451216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240380 (or 4240374 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 26480669451216 in words is "twenty-six trillion, four hundred eighty billion, six hundred sixty-nine million, four hundred fifty-one thousand, two hundred sixteen".