244230515540 has 48 divisors (see below), whose sum is σ = 588957808320. Its totient is φ = 84136826880.

The previous prime is 244230515497. The next prime is 244230515567. The reversal of 244230515540 is 45515032442.

It is a self number, because there is not a number n which added to its sum of digits gives 244230515540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29209997 + ... + 29218356.

It is an arithmetic number, because the mean of its divisors is an integer number (12269954340).

Almost surely, 2^244230515540 is an apocalyptic number.

244230515540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244230515540 is an abundant number, since it is smaller than the sum of its proper divisors (344727292780).

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

244230515540 is a wasteful number, since it uses less digits than its factorization.

244230515540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58428392 (or 58428390 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 244230515540 its reverse (45515032442), we get a palindrome (289745547982).

The spelling of 244230515540 in words is "two hundred forty-four billion, two hundred thirty million, five hundred fifteen thousand, five hundred forty".