244342140140 has 24 divisors (see below), whose sum is σ = 586421136672. Its totient is φ = 83774448000.

The previous prime is 244342140109. The next prime is 244342140143. The reversal of 244342140140 is 41041243442.

It is not an unprimeable number, because it can be changed into a prime (244342140143) 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, 872650361 + ... + 872650640.

It is an arithmetic number, because the mean of its divisors is an integer number (24434214028).

Almost surely, 2^244342140140 is an apocalyptic number.

244342140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244342140140 is an abundant number, since it is smaller than the sum of its proper divisors (342078996532).

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

244342140140 is a wasteful number, since it uses less digits than its factorization.

244342140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745301017 (or 1745301015 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 244342140140 its reverse (41041243442), we get a palindrome (285383383582).

The spelling of 244342140140 in words is "two hundred forty-four billion, three hundred forty-two million, one hundred forty thousand, one hundred forty".