244444200040 has 32 divisors (see below), whose sum is σ = 550175059080. Its totient is φ = 97746460672.

The previous prime is 244444200029. The next prime is 244444200041. The reversal of 244444200040 is 40002444442.

It can be written as a sum of positive squares in 4 ways, for example, as 212928719364 + 31515480676 = 461442^2 + 177526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244444199981 and 244444200008.

It is not an unprimeable number, because it can be changed into a prime (244444200041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848557 + ... + 1099516.

Almost surely, 2^244444200040 is an apocalyptic number.

244444200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244444200040 is an abundant number, since it is smaller than the sum of its proper divisors (305730859040).

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

244444200040 is a wasteful number, since it uses less digits than its factorization.

244444200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951221 (or 1951217 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 244444200040 its reverse (40002444442), we get a palindrome (284446644482).

The spelling of 244444200040 in words is "two hundred forty-four billion, four hundred forty-four million, two hundred thousand, forty".