26097254400 has 768 divisors, whose sum is σ = 103757109120. Its totient is φ = 5662310400.

The previous prime is 26097254383. The next prime is 26097254401. The reversal of 26097254400 is 445279062.

It is a tau number, because it is divible by the number of its divisors (768).

It is not an unprimeable number, because it can be changed into a prime (26097254401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 636518380 + ... + 636518420.

Almost surely, 2^26097254400 is an apocalyptic number.

26097254400 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 26097254400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51878554560).

26097254400 is an abundant number, since it is smaller than the sum of its proper divisors (77659854720).

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

26097254400 is an equidigital number, since it uses as much as digits as its factorization.

26097254400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 26097254400 in words is "twenty-six billion, ninety-seven million, two hundred fifty-four thousand, four hundred".