244303021040 has 80 divisors (see below), whose sum is σ = 638292771648. Its totient is φ = 86282262528.

The previous prime is 244303021037. The next prime is 244303021087. The reversal of 244303021040 is 40120303442.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 244303020997 and 244303021015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5082749 + ... + 5130588.

Almost surely, 2^244303021040 is an apocalyptic number.

244303021040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244303021040 is an abundant number, since it is smaller than the sum of its proper divisors (393989750608).

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

244303021040 is a wasteful number, since it uses less digits than its factorization.

244303021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213386 (or 10213380 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 244303021040 its reverse (40120303442), we get a palindrome (284423324482).

The spelling of 244303021040 in words is "two hundred forty-four billion, three hundred three million, twenty-one thousand, forty".