244140123320 has 32 divisors (see below), whose sum is σ = 550506892320. Its totient is φ = 97444206720.

The previous prime is 244140123259. The next prime is 244140123329. The reversal of 244140123320 is 23321041442.

It is a self number, because there is not a number n which added to its sum of digits gives 244140123320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244140123329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6601412 + ... + 6638291.

It is an arithmetic number, because the mean of its divisors is an integer number (17203340385).

Almost surely, 2^244140123320 is an apocalyptic number.

244140123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244140123320 is an abundant number, since it is smaller than the sum of its proper divisors (306366769000).

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

244140123320 is a wasteful number, since it uses less digits than its factorization.

244140123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13240175 (or 13240171 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 244140123320 its reverse (23321041442), we get a palindrome (267461164762).

The spelling of 244140123320 in words is "two hundred forty-four billion, one hundred forty million, one hundred twenty-three thousand, three hundred twenty".