244444424028 has 96 divisors (see below), whose sum is σ = 680416988160. Its totient is φ = 66782707200.

The previous prime is 244444424027. The next prime is 244444424089. The reversal of 244444424028 is 820424444442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244444424027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6358368 + ... + 6396696.

It is an arithmetic number, because the mean of its divisors is an integer number (7087676960).

Almost surely, 2^244444424028 is an apocalyptic number.

244444424028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244444424028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340208494080).

244444424028 is an abundant number, since it is smaller than the sum of its proper divisors (435972564132).

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

244444424028 is a wasteful number, since it uses less digits than its factorization.

244444424028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667 (or 41665 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 42.

The spelling of 244444424028 in words is "two hundred forty-four billion, four hundred forty-four million, four hundred twenty-four thousand, twenty-eight".