26823140 has 24 divisors (see below), whose sum is σ = 56628600. Its totient is φ = 10672128.

The previous prime is 26823089. The next prime is 26823151. The reversal of 26823140 is 4132862.

It can be written as a sum of positive squares in 4 ways, for example, as 4032064 + 22791076 = 2008^2 + 4774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 7334.

It is an arithmetic number, because the mean of its divisors is an integer number (2359525).

Almost surely, 2^26823140 is an apocalyptic number.

26823140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26823140 is an abundant number, since it is smaller than the sum of its proper divisors (29805460).

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

26823140 is a wasteful number, since it uses less digits than its factorization.

26823140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151 (or 7149 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 26823140 is about 5179.1061004772. The cubic root of 26823140 is about 299.3435274903.

The spelling of 26823140 in words is "twenty-six million, eight hundred twenty-three thousand, one hundred forty".