43442041432 has 8 divisors (see below), whose sum is σ = 81453827700. Its totient is φ = 21721020712.

The previous prime is 43442041421. The next prime is 43442041439. The reversal of 43442041432 is 23414024434.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×43442041432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43442041394 and 43442041403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442041439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715127582 + ... + 2715127597.

Almost surely, 2^43442041432 is an apocalyptic number.

It is an amenable number.

43442041432 is a deficient number, since it is larger than the sum of its proper divisors (38011786268).

43442041432 is a wasteful number, since it uses less digits than its factorization.

43442041432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430255185 (or 5430255181 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 43442041432 its reverse (23414024434), we get a palindrome (66856065866).

The spelling of 43442041432 in words is "forty-three billion, four hundred forty-two million, forty-one thousand, four hundred thirty-two".