444822630 has 64 divisors (see below), whose sum is σ = 1225456128. Its totient is φ = 101226240.

The previous prime is 444822611. The next prime is 444822641. The reversal of 444822630 is 36228444.

It is a junction number, because it is equal to n+sod(n) for n = 444822591 and 444822600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44385 + ... + 53475.

It is an arithmetic number, because the mean of its divisors is an integer number (19147752).

Almost surely, 2^444822630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444822630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612728064).

444822630 is an abundant number, since it is smaller than the sum of its proper divisors (780633498).

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

444822630 is a wasteful number, since it uses less digits than its factorization.

444822630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 444822630 is about 21090.8186185364. The cubic root of 444822630 is about 763.3592241980.

The spelling of 444822630 in words is "four hundred forty-four million, eight hundred twenty-two thousand, six hundred thirty".