26751430656 has 546 divisors, whose sum is σ = 87951943712. Its totient is φ = 8121876480.

The previous prime is 26751430637. The next prime is 26751430721. The reversal of 26751430656 is 65603415762.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 862949361 + ... + 862949391.

Almost surely, 2^26751430656 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 26751430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43975971856).

26751430656 is an abundant number, since it is smaller than the sum of its proper divisors (61200513056).

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

26751430656 is an frugal number, since it uses more digits than its factorization.

26751430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 26751430656 in words is "twenty-six billion, seven hundred fifty-one million, four hundred thirty thousand, six hundred fifty-six".