26700117732 has 144 divisors (see below), whose sum is σ = 71397930240. Its totient is φ = 8396365824.

The previous prime is 26700117671. The next prime is 26700117757. The reversal of 26700117732 is 23771100762.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28740244 + ... + 28741172.

It is an arithmetic number, because the mean of its divisors is an integer number (495818960).

Almost surely, 2^26700117732 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 26700117732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35698965120).

26700117732 is an abundant number, since it is smaller than the sum of its proper divisors (44697812508).

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

26700117732 is a wasteful number, since it uses less digits than its factorization.

26700117732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 26700117732 in words is "twenty-six billion, seven hundred million, one hundred seventeen thousand, seven hundred thirty-two".