26326540 has 24 divisors (see below), whose sum is σ = 58538592. Its totient is φ = 9911040.

The previous prime is 26326537. The next prime is 26326541. The reversal of 26326540 is 4562362.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26326499 and 26326508.

It is not an unprimeable number, because it can be changed into a prime (26326541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38376 + ... + 39055.

It is an arithmetic number, because the mean of its divisors is an integer number (2439108).

Almost surely, 2^26326540 is an apocalyptic number.

26326540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26326540 is an abundant number, since it is smaller than the sum of its proper divisors (32212052).

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

26326540 is a wasteful number, since it uses less digits than its factorization.

26326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77457 (or 77455 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 26326540 is about 5130.9394851236. The cubic root of 26326540 is about 297.4846730799.

The spelling of 26326540 in words is "twenty-six million, three hundred twenty-six thousand, five hundred forty".