26297485075632 has 160 divisors (see below), whose sum is σ = 70953466687488. Its totient is φ = 8386907332608.

The previous prime is 26297485075579. The next prime is 26297485075637. The reversal of 26297485075632 is 23657058479262.

It is not an unprimeable number, because it can be changed into a prime (26297485075637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17903193 + ... + 19316295.

Almost surely, 2^{26297485075632} 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 26297485075632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35476733343744).

26297485075632 is an abundant number, since it is smaller than the sum of its proper divisors (44655981611856).

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

26297485075632 is a wasteful number, since it uses less digits than its factorization.

26297485075632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413347 (or 1413341 counting only the distinct ones).

The product of its (nonzero) digits is 304819200, while the sum is 66.

The spelling of 26297485075632 in words is "twenty-six trillion, two hundred ninety-seven billion, four hundred eighty-five million, seventy-five thousand, six hundred thirty-two".