26506172032 has 32 divisors (see below), whose sum is σ = 53221086720. Its totient is φ = 13148722944.

The previous prime is 26506172023. The next prime is 26506172051. The reversal of 26506172032 is 23027160562.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799018 + ... + 831529.

It is an arithmetic number, because the mean of its divisors is an integer number (1663158960).

Almost surely, 2^26506172032 is an apocalyptic number.

It is an amenable number.

26506172032 is an abundant number, since it is smaller than the sum of its proper divisors (26714914688).

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

26506172032 is a wasteful number, since it uses less digits than its factorization.

26506172032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630688 (or 1630676 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 26506172032 in words is "twenty-six billion, five hundred six million, one hundred seventy-two thousand, thirty-two".