444102652 has 48 divisors (see below), whose sum is σ = 939294720. Its totient is φ = 179683200.

The previous prime is 444102649. The next prime is 444102661. The reversal of 444102652 is 256201444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 444102652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29349 + ... + 41827.

It is an arithmetic number, because the mean of its divisors is an integer number (19568640).

Almost surely, 2^444102652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444102652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469647360).

444102652 is an abundant number, since it is smaller than the sum of its proper divisors (495192068).

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

444102652 is a wasteful number, since it uses less digits than its factorization.

444102652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562 (or 12560 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 444102652 is about 21073.7431890967. The cubic root of 444102652 is about 762.9471508599.

The spelling of 444102652 in words is "four hundred forty-four million, one hundred two thousand, six hundred fifty-two".