26264347704 has 144 divisors (see below), whose sum is σ = 82947332520. Its totient is φ = 7485851520.

The previous prime is 26264347661. The next prime is 26264347763. The reversal of 26264347704 is 40774346262.

It is a super-2 number, since 2×26264347704² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26264347704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1476447 + ... + 1494129.

Almost surely, 2^26264347704 is an apocalyptic number.

26264347704 is a gapful number since it is divisible by the number (24) 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 26264347704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41473666260).

26264347704 is an abundant number, since it is smaller than the sum of its proper divisors (56682984816).

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

26264347704 is a wasteful number, since it uses less digits than its factorization.

26264347704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18130 (or 18116 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 26264347704 in words is "twenty-six billion, two hundred sixty-four million, three hundred forty-seven thousand, seven hundred four".