26145018 has 40 divisors (see below), whose sum is σ = 58951200. Its totient is φ = 8660520.

The previous prime is 26145013. The next prime is 26145029. The reversal of 26145018 is 81054162.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 26144982 and 26145000.

It is not an unprimeable number, because it can be changed into a prime (26145013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31833 + ... + 32643.

It is an arithmetic number, because the mean of its divisors is an integer number (1473780).

Almost surely, 2^26145018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26145018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29475600).

26145018 is an abundant number, since it is smaller than the sum of its proper divisors (32806182).

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

26145018 is a wasteful number, since it uses less digits than its factorization.

26145018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 26145018 is about 5113.2199248614. The cubic root of 26145018 is about 296.7993747610.

The spelling of 26145018 in words is "twenty-six million, one hundred forty-five thousand, eighteen".