26798243472 has 900 divisors, whose sum is σ = 107050599216. Its totient is φ = 6396848640.

The previous prime is 26798243429. The next prime is 26798243501. The reversal of 26798243472 is 27434289762.

26798243472 is a `hidden beast` number, since 2 + 67 + 9 + 82 + 434 + 72 = 666.

It is a super-2 number, since 2×26798243472² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 118053823 + ... + 118054049.

Almost surely, 2^26798243472 is an apocalyptic number.

26798243472 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 26798243472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53525299608).

26798243472 is an abundant number, since it is smaller than the sum of its proper divisors (80252355744).

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

26798243472 is a wasteful number, since it uses less digits than its factorization.

26798243472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 263 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 26798243472 in words is "twenty-six billion, seven hundred ninety-eight million, two hundred forty-three thousand, four hundred seventy-two".