244140013240 has 16 divisors (see below), whose sum is σ = 549315029880. Its totient is φ = 97656005280.

The previous prime is 244140013223. The next prime is 244140013291. The reversal of 244140013240 is 42310041442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051750126 + ... + 3051750205.

Almost surely, 2^244140013240 is an apocalyptic number.

244140013240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244140013240 is an abundant number, since it is smaller than the sum of its proper divisors (305175016640).

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

244140013240 is a wasteful number, since it uses less digits than its factorization.

244140013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103500342 (or 6103500338 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 244140013240 its reverse (42310041442), we get a palindrome (286450054682).

The spelling of 244140013240 in words is "two hundred forty-four billion, one hundred forty million, thirteen thousand, two hundred forty".