26863576432 has 240 divisors, whose sum is σ = 69357560832. Its totient is φ = 9787092480.

The previous prime is 26863576403. The next prime is 26863576457. The reversal of 26863576432 is 23467536862.

It is a self number, because there is not a number n which added to its sum of digits gives 26863576432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30630778 + ... + 30631654.

Almost surely, 2^26863576432 is an apocalyptic number.

26863576432 is a gapful number since it is divisible by the number (22) 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 26863576432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34678780416).

26863576432 is an abundant number, since it is smaller than the sum of its proper divisors (42493984400).

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

26863576432 is a wasteful number, since it uses less digits than its factorization.

26863576432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 967 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 52.

The spelling of 26863576432 in words is "twenty-six billion, eight hundred sixty-three million, five hundred seventy-six thousand, four hundred thirty-two".