26025801984 has 864 divisors, whose sum is σ = 100998455040. Its totient is φ = 6539968512.

The previous prime is 26025801943. The next prime is 26025802001. The reversal of 26025801984 is 48910852062.

26025801984 is a `hidden beast` number, since 2 + 60 + 2 + 580 + 1 + 9 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101267584 + ... + 101267840.

It is an arithmetic number, because the mean of its divisors is an integer number (116896360).

Almost surely, 2^26025801984 is an apocalyptic number.

26025801984 is a gapful number since it is divisible by the number (24) 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 26025801984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50499227520).

26025801984 is an abundant number, since it is smaller than the sum of its proper divisors (74972653056).

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

26025801984 is a wasteful number, since it uses less digits than its factorization.

26025801984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 26025801984 in words is "twenty-six billion, twenty-five million, eight hundred one thousand, nine hundred eighty-four".