26660733704 has 64 divisors (see below), whose sum is σ = 54975231360. Its totient is φ = 12020631040.

The previous prime is 26660733689. The next prime is 26660733713. The reversal of 26660733704 is 40733706662.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8184044 + ... + 8187300.

It is an arithmetic number, because the mean of its divisors is an integer number (858987990).

Almost surely, 2^26660733704 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 26660733704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27487615680).

26660733704 is an abundant number, since it is smaller than the sum of its proper divisors (28314497656).

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

26660733704 is a wasteful number, since it uses less digits than its factorization.

26660733704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 26660733704 in words is "twenty-six billion, six hundred sixty million, seven hundred thirty-three thousand, seven hundred four".