43163040 has 48 divisors (see below), whose sum is σ = 135965088. Its totient is φ = 11510016.

The previous prime is 43163039. The next prime is 43163047. The reversal of 43163040 is 4036134.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 43162998 and 43163016.

It is not an unprimeable number, because it can be changed into a prime (43163047) by changing a digit.

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, 44482 + ... + 45441.

It is an arithmetic number, because the mean of its divisors is an integer number (2832606).

Almost surely, 2^43163040 is an apocalyptic number.

43163040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43163040 is an abundant number, since it is smaller than the sum of its proper divisors (92802048).

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

43163040 is a wasteful number, since it uses less digits than its factorization.

43163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89941 (or 89933 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 43163040 is about 6569.8584459637. The cubic root of 43163040 is about 350.7820336497.

Adding to 43163040 its reverse (4036134), we get a palindrome (47199174).

The spelling of 43163040 in words is "forty-three million, one hundred sixty-three thousand, forty".