26486562500 has 96 divisors (see below), whose sum is σ = 58471725312. Its totient is φ = 10497500000.

The previous prime is 26486562499. The next prime is 26486562521. The reversal of 26486562500 is 526568462.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40937177 + ... + 40937823.

It is an arithmetic number, because the mean of its divisors is an integer number (609080472).

Almost surely, 2^26486562500 is an apocalyptic number.

26486562500 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 26486562500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29235862656).

26486562500 is an abundant number, since it is smaller than the sum of its proper divisors (31985162812).

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

26486562500 is an frugal number, since it uses more digits than its factorization.

26486562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 26486562500 in words is "twenty-six billion, four hundred eighty-six million, five hundred sixty-two thousand, five hundred".