42799443 has 4 divisors (see below), whose sum is σ = 57065928. Its totient is φ = 28532960.

The previous prime is 42799433. The next prime is 42799453. The reversal of 42799443 is 34499724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42799433) and next prime (42799453).

It is a cyclic number.

It is not a de Polignac number, because 42799443 - 2¹⁰ = 42798419 is a prime.

It is a super-2 number, since 2×42799443² = 3663584642220498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42799395 and 42799404.

It is not an unprimeable number, because it can be changed into a prime (42799423) 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 3 ways as a sum of consecutive naturals, for example, 7133238 + ... + 7133243.

It is an arithmetic number, because the mean of its divisors is an integer number (14266482).

Almost surely, 2^42799443 is an apocalyptic number.

42799443 is a deficient number, since it is larger than the sum of its proper divisors (14266485).

42799443 is a wasteful number, since it uses less digits than its factorization.

42799443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266484.

The product of its digits is 217728, while the sum is 42.

The square root of 42799443 is about 6542.1283234128. The cubic root of 42799443 is about 349.7942818306.

The spelling of 42799443 in words is "forty-two million, seven hundred ninety-nine thousand, four hundred forty-three".