26355641304 has 128 divisors (see below), whose sum is σ = 72529344000. Its totient is φ = 7943721984.

The previous prime is 26355641269. The next prime is 26355641329. The reversal of 26355641304 is 40314655362.

It is a super-2 number, since 2×26355641304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5335924 + ... + 5340860.

It is an arithmetic number, because the mean of its divisors is an integer number (566635500).

Almost surely, 2^26355641304 is an apocalyptic number.

26355641304 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 26355641304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36264672000).

26355641304 is an abundant number, since it is smaller than the sum of its proper divisors (46173702696).

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

26355641304 is a wasteful number, since it uses less digits than its factorization.

26355641304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 26355641304 in words is "twenty-six billion, three hundred fifty-five million, six hundred forty-one thousand, three hundred four".