443442442 has 8 divisors (see below), whose sum is σ = 674275716. Its totient is φ = 218683872.

The previous prime is 443442427. The next prime is 443442473. The reversal of 443442442 is 244244344.

It can be written as a sum of positive squares in 2 ways, for example, as 441882441 + 1560001 = 21021^2 + 1249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518493 + ... + 1518784.

Almost surely, 2^443442442 is an apocalyptic number.

443442442 is a deficient number, since it is larger than the sum of its proper divisors (230833274).

443442442 is a wasteful number, since it uses less digits than its factorization.

443442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037352.

The product of its digits is 49152, while the sum is 31.

The square root of 443442442 is about 21058.0730837368. The cubic root of 443442442 is about 762.5688936049.

Adding to 443442442 its reverse (244244344), we get a palindrome (687686786).

The spelling of 443442442 in words is "four hundred forty-three million, four hundred forty-two thousand, four hundred forty-two".