26343716256 has 576 divisors, whose sum is σ = 94152554496. Its totient is φ = 6864076800.

The previous prime is 26343716249. The next prime is 26343716291. The reversal of 26343716256 is 65261734362.

26343716256 is a `hidden beast` number, since 2 + 6 + 3 + 437 + 162 + 56 = 666.

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, 133724350 + ... + 133724546.

It is an arithmetic number, because the mean of its divisors is an integer number (163459296).

Almost surely, 2^26343716256 is an apocalyptic number.

26343716256 is a gapful number since it is divisible by the number (26) 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 26343716256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47076277248).

26343716256 is an abundant number, since it is smaller than the sum of its proper divisors (67808838240).

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

26343716256 is a wasteful number, since it uses less digits than its factorization.

26343716256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 434 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 26343716256 in words is "twenty-six billion, three hundred forty-three million, seven hundred sixteen thousand, two hundred fifty-six".