8132040 has 144 divisors (see below), whose sum is σ = 30810780. Its totient is φ = 1854720.

The previous prime is 8132039. The next prime is 8132051. The reversal of 8132040 is 402318.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7918596 + 213444 = 2814^2 + 462^2 .

It is a super-2 number, since 2×8132040² = 132260149123200, which contains 22 as substring.

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

It is a nialpdrome in base 15.

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 35 ways as a sum of consecutive naturals, for example, 17410 + ... + 17870.

Almost surely, 2^8132040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8132040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15405390).

8132040 is an abundant number, since it is smaller than the sum of its proper divisors (22678740).

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

8132040 is a wasteful number, since it uses less digits than its factorization.

8132040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8132040 is about 2851.6731930570. The cubic root of 8132040 is about 201.0943345714.

Adding to 8132040 its reverse (402318), we get a palindrome (8534358).

The spelling of 8132040 in words is "eight million, one hundred thirty-two thousand, forty".