43885042 has 4 divisors (see below), whose sum is σ = 65827566. Its totient is φ = 21942520.

The previous prime is 43885027. The next prime is 43885097. The reversal of 43885042 is 24058834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24058834 = 2 ⋅12029417.

It can be written as a sum of positive squares in only one way, i.e., 30569841 + 13315201 = 5529^2 + 3649^2 .

It is a super-2 number, since 2×43885042² = 3851793822683528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43884989 and 43885007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10971259 + ... + 10971262.

Almost surely, 2^43885042 is an apocalyptic number.

43885042 is a deficient number, since it is larger than the sum of its proper divisors (21942524).

43885042 is a wasteful number, since it uses less digits than its factorization.

43885042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21942523.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 43885042 is about 6624.5786281091. The cubic root of 43885042 is about 352.7271094849.

The spelling of 43885042 in words is "forty-three million, eight hundred eighty-five thousand, forty-two".