43080240 has 80 divisors (see below), whose sum is σ = 152633088. Its totient is φ = 9846528.

The previous prime is 43080229. The next prime is 43080251. The reversal of 43080240 is 4208034.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43080229) and next prime (43080251).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11142 + ... + 14501.

Almost surely, 2^43080240 is an apocalyptic number.

43080240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43080240 is an abundant number, since it is smaller than the sum of its proper divisors (109552848).

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

43080240 is a wasteful number, since it uses less digits than its factorization.

43080240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25666 (or 25660 counting only the distinct ones).

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

The square root of 43080240 is about 6563.5539153724. The cubic root of 43080240 is about 350.5575874224.

Adding to 43080240 its reverse (4208034), we get a palindrome (47288274).

The spelling of 43080240 in words is "forty-three million, eighty thousand, two hundred forty".