43404042 has 32 divisors (see below), whose sum is σ = 94944960. Its totient is φ = 13118720.

The previous prime is 43404041. The next prime is 43404047. The reversal of 43404042 is 24040434.

It is not an unprimeable number, because it can be changed into a prime (43404041) 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 15 ways as a sum of consecutive naturals, for example, 38584 + ... + 39692.

It is an arithmetic number, because the mean of its divisors is an integer number (2967030).

Almost surely, 2^43404042 is an apocalyptic number.

43404042 is an abundant number, since it is smaller than the sum of its proper divisors (51540918).

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

43404042 is a wasteful number, since it uses less digits than its factorization.

43404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 43404042 is about 6588.1744057060. The cubic root of 43404042 is about 351.4336892922.

Adding to 43404042 its reverse (24040434), we get a palindrome (67444476).

The spelling of 43404042 in words is "forty-three million, four hundred four thousand, forty-two".