243444004442 has 8 divisors (see below), whose sum is σ = 365186135232. Its totient is φ = 121715292700.

The previous prime is 243444004439. The next prime is 243444004481. The reversal of 243444004442 is 244400444342.

It is a happy number.

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, 3309284 + ... + 3382047.

It is an arithmetic number, because the mean of its divisors is an integer number (45648266904).

Almost surely, 2^243444004442 is an apocalyptic number.

243444004442 is a deficient number, since it is larger than the sum of its proper divisors (121742130790).

243444004442 is a wasteful number, since it uses less digits than its factorization.

243444004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709524.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 243444004442 its reverse (244400444342), we get a palindrome (487844448784).

The spelling of 243444004442 in words is "two hundred forty-three billion, four hundred forty-four million, four thousand, four hundred forty-two".