42444683 has 4 divisors (see below), whose sum is σ = 44290128. Its totient is φ = 40599240.

The previous prime is 42444643. The next prime is 42444691. The reversal of 42444683 is 38644424.

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

It is a cyclic number.

It is not a de Polignac number, because 42444683 - 2¹⁰ = 42443659 is a prime.

It is a super-2 number, since 2×42444683² = 3603102229940978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42444643) 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, 922688 + ... + 922733.

It is an arithmetic number, because the mean of its divisors is an integer number (11072532).

Almost surely, 2^42444683 is an apocalyptic number.

42444683 is a deficient number, since it is larger than the sum of its proper divisors (1845445).

42444683 is a wasteful number, since it uses less digits than its factorization.

42444683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845444.

The product of its digits is 73728, while the sum is 35.

The square root of 42444683 is about 6514.9584035510. The cubic root of 42444683 is about 348.8251300307.

The spelling of 42444683 in words is "forty-two million, four hundred forty-four thousand, six hundred eighty-three".