26287384332 has 96 divisors (see below), whose sum is σ = 67690764288. Its totient is φ = 7873600000.

The previous prime is 26287384307. The next prime is 26287384367. The reversal of 26287384332 is 23348378262.

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, 10144357 + ... + 10146947.

It is an arithmetic number, because the mean of its divisors is an integer number (705112128).

Almost surely, 2^26287384332 is an apocalyptic number.

26287384332 is a gapful number since it is divisible by the number (22) 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 26287384332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33845382144).

26287384332 is an abundant number, since it is smaller than the sum of its proper divisors (41403379956).

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

26287384332 is a wasteful number, since it uses less digits than its factorization.

26287384332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3469 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The spelling of 26287384332 in words is "twenty-six billion, two hundred eighty-seven million, three hundred eighty-four thousand, three hundred thirty-two".