26219338340 has 48 divisors (see below), whose sum is σ = 62784055152. Its totient is φ = 9111515136.

The previous prime is 26219338333. The next prime is 26219338373. The reversal of 26219338340 is 4383391262.

It can be written as a sum of positive squares in 8 ways, for example, as 591170596 + 25628167744 = 24314^2 + 160088^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2961569 + ... + 2970408.

It is an arithmetic number, because the mean of its divisors is an integer number (1308001149).

Almost surely, 2^26219338340 is an apocalyptic number.

26219338340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26219338340 is an abundant number, since it is smaller than the sum of its proper divisors (36564716812).

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

26219338340 is a wasteful number, since it uses less digits than its factorization.

26219338340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932016 (or 5932014 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 26219338340 in words is "twenty-six billion, two hundred nineteen million, three hundred thirty-eight thousand, three hundred forty".