26438602752 has 156 divisors (see below), whose sum is σ = 80390405680. Its totient is φ = 8348811264.

The previous prime is 26438602739. The next prime is 26438602889. The reversal of 26438602752 is 25720683462.

26438602752 is a `hidden beast` number, since 2 + 6 + 4 + 38 + 602 + 7 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26438602698 and 26438602707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681543 + ... + 719289.

Almost surely, 2^26438602752 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 26438602752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40195202840).

26438602752 is an abundant number, since it is smaller than the sum of its proper divisors (53951802928).

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

26438602752 is a wasteful number, since it uses less digits than its factorization.

26438602752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37796 (or 37771 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 26438602752 in words is "twenty-six billion, four hundred thirty-eight million, six hundred two thousand, seven hundred fifty-two".