26396012594385 has 192 divisors, whose sum is σ = 54930988449792. Its totient is φ = 11464303707648.

The previous prime is 26396012594381. The next prime is 26396012594443. The reversal of 26396012594385 is 58349521069362.

It is a happy number.

26396012594385 is a `hidden beast` number, since 2 + 6 + 3 + 9 + 6 + 0 + 1 + 2 + 594 + 38 + 5 = 666.

It is not a de Polignac number, because 26396012594385 - 2² = 26396012594381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (26396012594381) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1750739467 + ... + 1750754543.

It is an arithmetic number, because the mean of its divisors is an integer number (286098898176).

Almost surely, 2^{26396012594385} is an apocalyptic number.

It is an amenable number.

26396012594385 is an abundant number, since it is smaller than the sum of its proper divisors (28534975855407).

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

26396012594385 is a wasteful number, since it uses less digits than its factorization.

26396012594385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732 (or 16729 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 26396012594385 in words is "twenty-six trillion, three hundred ninety-six billion, twelve million, five hundred ninety-four thousand, three hundred eighty-five".