26040738816 has 176 divisors, whose sum is σ = 77523984000. Its totient is φ = 8634802176.

The previous prime is 26040738793. The next prime is 26040738827. The reversal of 26040738816 is 61883704062.

26040738816 is a `hidden beast` number, since 2 + 604 + 0 + 7 + 38 + 8 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499586 + ... + 5504318.

Almost surely, 2^26040738816 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 26040738816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38761992000).

26040738816 is an abundant number, since it is smaller than the sum of its proper divisors (51483245184).

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

26040738816 is a wasteful number, since it uses less digits than its factorization.

26040738816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961 (or 4937 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 26040738816 in words is "twenty-six billion, forty million, seven hundred thirty-eight thousand, eight hundred sixteen".