26140320 has 120 divisors (see below), whose sum is σ = 92299284. Its totient is φ = 6967296.

The previous prime is 26140313. The next prime is 26140327. The reversal of 26140320 is 2304162.

It is a happy number.

26140320 is a `hidden beast` number, since 261 + 403 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (26140313) and next prime (26140327).

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 374544 = 5076^2 + 612^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 26140293 and 26140302.

It is not an unprimeable number, because it can be changed into a prime (26140327) 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 19 ways as a sum of consecutive naturals, for example, 11952 + ... + 13968.

Almost surely, 2^26140320 is an apocalyptic number.

26140320 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 26140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46149642).

26140320 is an abundant number, since it is smaller than the sum of its proper divisors (66158964).

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

26140320 is a wasteful number, since it uses less digits than its factorization.

26140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 26140320 is about 5112.7605068104. The cubic root of 26140320 is about 296.7815963964.

Adding to 26140320 its reverse (2304162), we get a palindrome (28444482).

The spelling of 26140320 in words is "twenty-six million, one hundred forty thousand, three hundred twenty".