10281018 has 16 divisors (see below), whose sum is σ = 22431456. Its totient is φ = 3115440.

The previous prime is 10281017. The next prime is 10281041. The reversal of 10281018 is 81018201.

It is a super-2 number, since 2×10281018² = 211398662232648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10280985 and 10281003.

It is not an unprimeable number, because it can be changed into a prime (10281017) 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, 77821 + ... + 77952.

It is an arithmetic number, because the mean of its divisors is an integer number (1401966).

Almost surely, 2^10281018 is an apocalyptic number.

10281018 is an abundant number, since it is smaller than the sum of its proper divisors (12150438).

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

10281018 is a wasteful number, since it uses less digits than its factorization.

10281018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155789.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 10281018 is about 3206.4026571845. The cubic root of 10281018 is about 217.4429709115.

Adding to 10281018 its reverse (81018201), we get a palindrome (91299219).

The spelling of 10281018 in words is "ten million, two hundred eighty-one thousand, eighteen".