43208040 has 96 divisors (see below), whose sum is σ = 133253280. Its totient is φ = 11207808.

The previous prime is 43208027. The next prime is 43208041. The reversal of 43208040 is 4080234.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43207998 and 43208016.

It is not an unprimeable number, because it can be changed into a prime (43208041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264999 + ... + 265161.

It is an arithmetic number, because the mean of its divisors is an integer number (1388055).

Almost surely, 2^43208040 is an apocalyptic number.

43208040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43208040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66626640).

43208040 is an abundant number, since it is smaller than the sum of its proper divisors (90045240).

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

43208040 is a wasteful number, since it uses less digits than its factorization.

43208040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 43208040 is about 6573.2822851297. The cubic root of 43208040 is about 350.9038949229.

Adding to 43208040 its reverse (4080234), we get a palindrome (47288274).

The spelling of 43208040 in words is "forty-three million, two hundred eight thousand, forty".