244004020002 has 64 divisors (see below), whose sum is σ = 554875920000. Its totient is φ = 79451371584.

The previous prime is 244004019997. The next prime is 244004020003. The reversal of 244004020002 is 200020400442.

244004020002 is a `hidden beast` number, since 24 + 400 + 40 + 200 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (244004020003) 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, 469249 + ... + 841547.

It is an arithmetic number, because the mean of its divisors is an integer number (8669936250).

Almost surely, 2^244004020002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244004020002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277437960000).

244004020002 is an abundant number, since it is smaller than the sum of its proper divisors (310871899998).

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

244004020002 is a wasteful number, since it uses less digits than its factorization.

244004020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372592 (or 372586 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 244004020002 its reverse (200020400442), we get a palindrome (444024420444).

The spelling of 244004020002 in words is "two hundred forty-four billion, four million, twenty thousand, two".