444213450 has 96 divisors (see below), whose sum is σ = 1250277120. Its totient is φ = 115920000.

The previous prime is 444213439. The next prime is 444213463. The reversal of 444213450 is 54312444.

It is a happy number.

444213450 is a `hidden beast` number, since 444 + 213 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59950 + ... + 66950.

It is an arithmetic number, because the mean of its divisors is an integer number (13023720).

Almost surely, 2^444213450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444213450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625138560).

444213450 is an abundant number, since it is smaller than the sum of its proper divisors (806063670).

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

444213450 is a wasteful number, since it uses less digits than its factorization.

444213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 444213450 is about 21076.3718414721. The cubic root of 444213450 is about 763.0105941420.

Adding to 444213450 its reverse (54312444), we get a palindrome (498525894).

The spelling of 444213450 in words is "four hundred forty-four million, two hundred thirteen thousand, four hundred fifty".