26081010 has 24 divisors (see below), whose sum is σ = 67810860. Its totient is φ = 6954912.

The previous prime is 26080979. The next prime is 26081017. The reversal of 26081010 is 1018062.

It can be written as a sum of positive squares in 2 ways, for example, as 26040609 + 40401 = 5103^2 + 201^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26081017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144805 + ... + 144984.

Almost surely, 2^26081010 is an apocalyptic number.

26081010 is an abundant number, since it is smaller than the sum of its proper divisors (41729850).

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

26081010 is a wasteful number, since it uses less digits than its factorization.

26081010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289802 (or 289799 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 26081010 is about 5106.9570195959. The cubic root of 26081010 is about 296.5569696408.

Adding to 26081010 its reverse (1018062), we get a palindrome (27099072).

The spelling of 26081010 in words is "twenty-six million, eighty-one thousand, ten".