26420116340 has 24 divisors (see below), whose sum is σ = 55487122152. Its totient is φ = 10567117440.

The previous prime is 26420116337. The next prime is 26420116343. The reversal of 26420116340 is 4361102462.

It is an interprime number because it is at equal distance from previous prime (26420116337) and next prime (26420116343).

It can be written as a sum of positive squares in 4 ways, for example, as 8976046564 + 17444069776 = 94742^2 + 132076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420116343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203942 + ... + 307298.

It is an arithmetic number, because the mean of its divisors is an integer number (2311963423).

Almost surely, 2^26420116340 is an apocalyptic number.

26420116340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26420116340 is an abundant number, since it is smaller than the sum of its proper divisors (29067005812).

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

26420116340 is a wasteful number, since it uses less digits than its factorization.

26420116340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116147 (or 116145 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 26420116340 in words is "twenty-six billion, four hundred twenty million, one hundred sixteen thousand, three hundred forty".