444445678 has 8 divisors (see below), whose sum is σ = 682172568. Its totient is φ = 217054824.

The previous prime is 444445649. The next prime is 444445679. The reversal of 444445678 is 876544444.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444445679) 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, 2583901 + ... + 2584072.

It is an arithmetic number, because the mean of its divisors is an integer number (85271571).

Almost surely, 2^444445678 is an apocalyptic number.

444445678 is a deficient number, since it is larger than the sum of its proper divisors (237726890).

444445678 is a wasteful number, since it uses less digits than its factorization.

444445678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168018.

The product of its digits is 1720320, while the sum is 46.

The square root of 444445678 is about 21081.8803241077. The cubic root of 444445678 is about 763.1435344025.

The spelling of 444445678 in words is "four hundred forty-four million, four hundred forty-five thousand, six hundred seventy-eight".