444006426 has 16 divisors (see below), whose sum is σ = 896635584. Its totient is φ = 146565024.

The previous prime is 444006413. The next prime is 444006469. The reversal of 444006426 is 624600444.

It is a junction number, because it is equal to n+sod(n) for n = 444006393 and 444006402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358611 + ... + 359846.

It is an arithmetic number, because the mean of its divisors is an integer number (56039724).

Almost surely, 2^444006426 is an apocalyptic number.

444006426 is an abundant number, since it is smaller than the sum of its proper divisors (452629158).

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

444006426 is a wasteful number, since it uses less digits than its factorization.

444006426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718565.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444006426 is about 21071.4599873858. The cubic root of 444006426 is about 762.8920429884.

The spelling of 444006426 in words is "four hundred forty-four million, six thousand, four hundred twenty-six".