444043816 has 32 divisors (see below), whose sum is σ = 850775040. Its totient is φ = 217219968.

The previous prime is 444043811. The next prime is 444043823. The reversal of 444043816 is 618340444.

It is not an unprimeable number, because it can be changed into a prime (444043811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71175 + ... + 77161.

It is an arithmetic number, because the mean of its divisors is an integer number (26586720).

Almost surely, 2^444043816 is an apocalyptic number.

It is an amenable number.

444043816 is a deficient number, since it is larger than the sum of its proper divisors (406731224).

444043816 is a wasteful number, since it uses less digits than its factorization.

444043816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 444043816 is about 21072.3471877245. The cubic root of 444043816 is about 762.9134568924.

The spelling of 444043816 in words is "four hundred forty-four million, forty-three thousand, eight hundred sixteen".