26091532064 has 48 divisors (see below), whose sum is σ = 55985634432. Its totient is φ = 11897142528.

The previous prime is 26091531979. The next prime is 26091532079. The reversal of 26091532064 is 46023519062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343304 + ... + 412359.

It is an arithmetic number, because the mean of its divisors is an integer number (1166367384).

Almost surely, 2^26091532064 is an apocalyptic number.

It is an amenable number.

26091532064 is an abundant number, since it is smaller than the sum of its proper divisors (29894102368).

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

26091532064 is a wasteful number, since it uses less digits than its factorization.

26091532064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755769 (or 755761 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 26091532064 in words is "twenty-six billion, ninety-one million, five hundred thirty-two thousand, sixty-four".