244315121540 has 48 divisors (see below), whose sum is σ = 588916876800. Its totient is φ = 83399386752.

The previous prime is 244315121539. The next prime is 244315121549. The reversal of 244315121540 is 45121513442.

It is a super-2 number, since 2×244315121540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244315121497 and 244315121506.

It is not an unprimeable number, because it can be changed into a prime (244315121549) 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 15 ways as a sum of consecutive naturals, for example, 3778220 + ... + 3842339.

It is an arithmetic number, because the mean of its divisors is an integer number (12269101600).

Almost surely, 2^244315121540 is an apocalyptic number.

244315121540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244315121540 is an abundant number, since it is smaller than the sum of its proper divisors (344601755260).

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

244315121540 is a wasteful number, since it uses less digits than its factorization.

244315121540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620804 (or 7620802 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 244315121540 its reverse (45121513442), we get a palindrome (289436634982).

The spelling of 244315121540 in words is "two hundred forty-four billion, three hundred fifteen million, one hundred twenty-one thousand, five hundred forty".