8201040 has 40 divisors (see below), whose sum is σ = 25423968. Its totient is φ = 2186880.

The previous prime is 8201033. The next prime is 8201071. The reversal of 8201040 is 401028.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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, 16846 + ... + 17325.

Almost surely, 2^8201040 is an apocalyptic number.

8201040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8201040 is an abundant number, since it is smaller than the sum of its proper divisors (17222928).

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

8201040 is a wasteful number, since it uses less digits than its factorization.

8201040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187 (or 34181 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8201040 is about 2863.7457987747. The cubic root of 8201040 is about 201.6614923275.

Adding to 8201040 its reverse (401028), we get a palindrome (8602068).

The spelling of 8201040 in words is "eight million, two hundred one thousand, forty".