26908019042436 has 189 divisors, whose sum is σ = 82133973294471. Its totient is φ = 7687445212944.

The previous prime is 26908019042419. The next prime is 26908019042477. The reversal of 26908019042436 is 63424091080962.

The square root of 26908019042436 is 5187294.

It is a perfect power (a square), and thus also a powerful number.

26908019042436 is a `hidden beast` number, since 2 + 6 + 9 + 0 + 80 + 1 + 90 + 42 + 436 = 666.

It is a tau number, because it is divible by the number of its divisors (189).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1960790271 + ... + 1960803993.

Almost surely, 2^{26908019042436} is an apocalyptic number.

26908019042436 is the 5187294-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26908019042436

26908019042436 is an abundant number, since it is smaller than the sum of its proper divisors (55225954252035).

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

26908019042436 is an frugal number, since it uses more digits than its factorization.

26908019042436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27482 (or 13735 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 26908019042436 in words is "twenty-six trillion, nine hundred eight billion, nineteen million, forty-two thousand, four hundred thirty-six".