26298111456 has 192 divisors, whose sum is σ = 80298086400. Its totient is φ = 8363174400.

The previous prime is 26298111431. The next prime is 26298111479. The reversal of 26298111456 is 65411189262.

26298111456 is a `hidden beast` number, since 2 + 629 + 8 + 1 + 1 + 14 + 5 + 6 = 666.

It is a congruent number.

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, 1894750 + ... + 1908578.

It is an arithmetic number, because the mean of its divisors is an integer number (418219200).

Almost surely, 2^26298111456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26298111456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40149043200).

26298111456 is an abundant number, since it is smaller than the sum of its proper divisors (53999974944).

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

26298111456 is a wasteful number, since it uses less digits than its factorization.

26298111456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13950 (or 13936 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 26298111456 in words is "twenty-six billion, two hundred ninety-eight million, one hundred eleven thousand, four hundred fifty-six".