4244400252 has 72 divisors (see below), whose sum is σ = 10947736800. Its totient is φ = 1386126720.

The previous prime is 4244400239. The next prime is 4244400257. The reversal of 4244400252 is 2520044424.

4244400252 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 400 + 252 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244400257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573874 + ... + 581222.

It is an arithmetic number, because the mean of its divisors is an integer number (152051900).

Almost surely, 2^4244400252 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 4244400252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5473868400).

4244400252 is an abundant number, since it is smaller than the sum of its proper divisors (6703336548).

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

4244400252 is a wasteful number, since it uses less digits than its factorization.

4244400252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683 (or 7678 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4244400252 is about 65149.0617891002. The cubic root of 4244400252 is about 1619.0941758152.

Adding to 4244400252 its reverse (2520044424), we get a palindrome (6764444676).

It can be divided in two parts, 4244 and 400252, that added together give a square (404496 = 636²).

The spelling of 4244400252 in words is "four billion, two hundred forty-four million, four hundred thousand, two hundred fifty-two".