26001517227072 has 112 divisors (see below), whose sum is σ = 72422446203840. Its totient is φ = 8210331942912.

The previous prime is 26001517227071. The next prime is 26001517227109. The reversal of 26001517227072 is 27072271510062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26001517227071) 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, 45157048 + ... + 45729224.

Almost surely, 2^{26001517227072} is an apocalyptic number.

It is an amenable number.

26001517227072 is an abundant number, since it is smaller than the sum of its proper divisors (46420928976768).

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

26001517227072 is a wasteful number, since it uses less digits than its factorization.

26001517227072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584668 (or 584658 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 26001517227072 in words is "twenty-six trillion, one billion, five hundred seventeen million, two hundred twenty-seven thousand, seventy-two".