43211042 has 48 divisors (see below), whose sum is σ = 82108728. Its totient is φ = 16934400.

The previous prime is 43211041. The next prime is 43211053. The reversal of 43211042 is 24011234.

It can be written as a sum of positive squares in 4 ways, for example, as 41744521 + 1466521 = 6461^2 + 1211^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 43211042.

It is not an unprimeable number, because it can be changed into a prime (43211041) 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 23 ways as a sum of consecutive naturals, for example, 61292 + ... + 61992.

Almost surely, 2^43211042 is an apocalyptic number.

43211042 is a deficient number, since it is larger than the sum of its proper divisors (38897686).

43211042 is a wasteful number, since it uses less digits than its factorization.

43211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43211042 is about 6573.5106297929. The cubic root of 43211042 is about 350.9120214128.

Adding to 43211042 its product of nonzero digits (192), we get a palindrome (43211234).

Adding to 43211042 its reverse (24011234), we get a palindrome (67222276).

The spelling of 43211042 in words is "forty-three million, two hundred eleven thousand, forty-two".