26355075340 has 72 divisors (see below), whose sum is σ = 61437375216. Its totient is φ = 9488688000.

The previous prime is 26355075337. The next prime is 26355075349. The reversal of 26355075340 is 4357055362.

It is a super-2 number, since 2×26355075340² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26355075293 and 26355075302.

It is not an unprimeable number, because it can be changed into a prime (26355075349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190507 + ... + 298333.

It is an arithmetic number, because the mean of its divisors is an integer number (853296878).

Almost surely, 2^26355075340 is an apocalyptic number.

26355075340 is a gapful number since it is divisible by the number (20) 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 26355075340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30718687608).

26355075340 is an abundant number, since it is smaller than the sum of its proper divisors (35082299876).

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

26355075340 is a wasteful number, since it uses less digits than its factorization.

26355075340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107959 (or 107946 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 26355075340 in words is "twenty-six billion, three hundred fifty-five million, seventy-five thousand, three hundred forty".