43140024 has 48 divisors (see below), whose sum is σ = 117486720. Its totient is φ = 14300160.

The previous prime is 43140011. The next prime is 43140037. The reversal of 43140024 is 42004134.

It is an interprime number because it is at equal distance from previous prime (43140011) and next prime (43140037).

It is a super-2 number, since 2×43140024² = 3722123341441152, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 43139979 and 43140006.

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 11 ways as a sum of consecutive naturals, for example, 12184 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (2447640).

Almost surely, 2^43140024 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 43140024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58743360).

43140024 is an abundant number, since it is smaller than the sum of its proper divisors (74346696).

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

43140024 is a wasteful number, since it uses less digits than its factorization.

43140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43140024 is about 6568.1065764800. The cubic root of 43140024 is about 350.7196729297.

Adding to 43140024 its reverse (42004134), we get a palindrome (85144158).

The spelling of 43140024 in words is "forty-three million, one hundred forty thousand, twenty-four".