26705672453440 has 112 divisors (see below), whose sum is σ = 66174700426560. Its totient is φ = 10256998993920.

The previous prime is 26705672453431. The next prime is 26705672453441. The reversal of 26705672453440 is 4435427650762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26705672453441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15635781 + ... + 17259460.

Almost surely, 2^{26705672453440} is an apocalyptic number.

26705672453440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26705672453440 is an abundant number, since it is smaller than the sum of its proper divisors (39469027973120).

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

26705672453440 is a wasteful number, since it uses less digits than its factorization.

26705672453440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32895360 (or 32895350 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 55.

The spelling of 26705672453440 in words is "twenty-six trillion, seven hundred five billion, six hundred seventy-two million, four hundred fifty-three thousand, four hundred forty".