26420710388 has 12 divisors (see below), whose sum is σ = 46821512640. Its totient is φ = 13043135352.

The previous prime is 26420710369. The next prime is 26420710403. The reversal of 26420710388 is 88301702462.

It is a super-2 number, since 2×26420710388² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 41804606 + ... + 41805237.

It is an arithmetic number, because the mean of its divisors is an integer number (3901792720).

Almost surely, 2^26420710388 is an apocalyptic number.

It is an amenable number.

26420710388 is a deficient number, since it is larger than the sum of its proper divisors (20400802252).

26420710388 is a wasteful number, since it uses less digits than its factorization.

26420710388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83609926 (or 83609924 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 26420710388 in words is "twenty-six billion, four hundred twenty million, seven hundred ten thousand, three hundred eighty-eight".