244000000 has 126 divisors (see below), whose sum is σ = 618781142. Its totient is φ = 96000000.

The previous prime is 243999991. The next prime is 244000007. The reversal of 244000000 is 442.

It can be written as a sum of positive squares in 7 ways, for example, as 217621504 + 26378496 = 14752^2 + 5136^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3999970 + ... + 4000030.

Almost surely, 2^244000000 is an apocalyptic number.

244000000 is a gapful number since it is divisible by the number (20) 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 244000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309390571).

244000000 is an abundant number, since it is smaller than the sum of its proper divisors (374781142).

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

244000000 is an frugal number, since it uses more digits than its factorization.

244000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 244000000 is about 15620.4993518133. The cubic root of 244000000 is about 624.8799769526.

Adding to 244000000 its reverse (442), we get a palindrome (244000442).

The spelling of 244000000 in words is "two hundred forty-four million", and thus it is an aban number.