43042064 has 20 divisors (see below), whose sum is σ = 89809356. Its totient is φ = 19865472.

The previous prime is 43042033. The next prime is 43042067. The reversal of 43042064 is 46024034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 36240400 = 2608^2 + 6020^2 .

It is not an unprimeable number, because it can be changed into a prime (43042067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103259 + ... + 103674.

Almost surely, 2^43042064 is an apocalyptic number.

It is an amenable number.

43042064 is an abundant number, since it is smaller than the sum of its proper divisors (46767292).

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

43042064 is a wasteful number, since it uses less digits than its factorization.

43042064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206954 (or 206948 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 43042064 is about 6560.6450902331. The cubic root of 43042064 is about 350.4540067434.

Adding to 43042064 its reverse (46024034), we get a palindrome (89066098).

The spelling of 43042064 in words is "forty-three million, forty-two thousand, sixty-four".