10018540 has 36 divisors (see below), whose sum is σ = 24476256. Its totient is φ = 3434592.

The previous prime is 10018513. The next prime is 10018553. The reversal of 10018540 is 4581001.

It is a super-2 number, since 2×10018540² = 200742287463200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (679896).

Almost surely, 2^10018540 is an apocalyptic number.

10018540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10018540 is an abundant number, since it is smaller than the sum of its proper divisors (14457716).

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

10018540 is a wasteful number, since it uses less digits than its factorization.

10018540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246 (or 10237 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10018540 is about 3165.2077340990. The cubic root of 10018540 is about 215.5765308686.

Adding to 10018540 its reverse (4581001), we get a palindrome (14599541).

The spelling of 10018540 in words is "ten million, eighteen thousand, five hundred forty".