244000022440 has 16 divisors (see below), whose sum is σ = 549000050580. Its totient is φ = 97600008960.

The previous prime is 244000022401. The next prime is 244000022473. The reversal of 244000022440 is 44220000442.

It can be written as a sum of positive squares in 2 ways, for example, as 232360633444 + 11639388996 = 482038^2 + 107886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050000241 + ... + 3050000320.

Almost surely, 2^244000022440 is an apocalyptic number.

244000022440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244000022440 is an abundant number, since it is smaller than the sum of its proper divisors (305000028140).

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

244000022440 is a wasteful number, since it uses less digits than its factorization.

244000022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100000572 (or 6100000568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 244000022440 its reverse (44220000442), we get a palindrome (288220022882).

The spelling of 244000022440 in words is "two hundred forty-four billion, twenty-two thousand, four hundred forty".