26071551680 has 112 divisors (see below), whose sum is σ = 62874204960. Its totient is φ = 10296557568.

The previous prime is 26071551677. The next prime is 26071551697. The reversal of 26071551680 is 8615517062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8583122 + ... + 8586158.

It is an arithmetic number, because the mean of its divisors is an integer number (561376830).

Almost surely, 2^26071551680 is an apocalyptic number.

26071551680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26071551680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31437102480).

26071551680 is an abundant number, since it is smaller than the sum of its proper divisors (36802653280).

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

26071551680 is a wasteful number, since it uses less digits than its factorization.

26071551680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 26071551680 in words is "twenty-six billion, seventy-one million, five hundred fifty-one thousand, six hundred eighty".