244305020040 has 128 divisors (see below), whose sum is σ = 751691923200. Its totient is φ = 63495244800.

The previous prime is 244305020033. The next prime is 244305020117. The reversal of 244305020040 is 40020503442.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 833166 + ... + 1087554.

It is an arithmetic number, because the mean of its divisors is an integer number (5872593150).

Almost surely, 2^244305020040 is an apocalyptic number.

244305020040 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 244305020040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375845961600).

244305020040 is an abundant number, since it is smaller than the sum of its proper divisors (507386903160).

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

244305020040 is a wasteful number, since it uses less digits than its factorization.

244305020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254607 (or 254603 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 244305020040 its reverse (40020503442), we get a palindrome (284325523482).

It can be divided in two parts, 2443050 and 20040, that added together give a triangular number (2463090 = T₂₂₁₉).

The spelling of 244305020040 in words is "two hundred forty-four billion, three hundred five million, twenty thousand, forty".