26343140 has 12 divisors (see below), whose sum is σ = 55320636. Its totient is φ = 10537248.

The previous prime is 26343137. The next prime is 26343143. The reversal of 26343140 is 4134362.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26343137) and next prime (26343143).

It can be written as a sum of positive squares in 2 ways, for example, as 15936064 + 10407076 = 3992^2 + 3226^2 .

It is a super-3 number, since 3×26343140³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (26343143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658559 + ... + 658598.

It is an arithmetic number, because the mean of its divisors is an integer number (4610053).

Almost surely, 2^26343140 is an apocalyptic number.

26343140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26343140 is an abundant number, since it is smaller than the sum of its proper divisors (28977496).

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

26343140 is a wasteful number, since it uses less digits than its factorization.

26343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317166 (or 1317164 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 26343140 is about 5132.5568676830. The cubic root of 26343140 is about 297.5471855105.

The spelling of 26343140 in words is "twenty-six million, three hundred forty-three thousand, one hundred forty".