444816396 has 36 divisors (see below), whose sum is σ = 1160670784. Its totient is φ = 143488800.

The previous prime is 444816377. The next prime is 444816409. The reversal of 444816396 is 693618444.

444816396 is a `hidden beast` number, since 4 + 4 + 4 + 8 + 1 + 639 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198175 + ... + 200406.

Almost surely, 2^444816396 is an apocalyptic number.

It is an amenable number.

444816396 is an abundant number, since it is smaller than the sum of its proper divisors (715854388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444816396 is a wasteful number, since it uses less digits than its factorization.

444816396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398622 (or 398617 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 444816396 is about 21090.6708285915. The cubic root of 444816396 is about 763.3556581297.

The spelling of 444816396 in words is "four hundred forty-four million, eight hundred sixteen thousand, three hundred ninety-six".