244343671540 has 48 divisors (see below), whose sum is σ = 517927410000. Its totient is φ = 96822438912.

The previous prime is 244343671529. The next prime is 244343671589. The reversal of 244343671540 is 45176343442.

It can be written as a sum of positive squares in 8 ways, for example, as 3358897936 + 240984773604 = 57956^2 + 490902^2 .

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, 21247072 + ... + 21258568.

It is an arithmetic number, because the mean of its divisors is an integer number (10790154375).

Almost surely, 2^244343671540 is an apocalyptic number.

244343671540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244343671540 is an abundant number, since it is smaller than the sum of its proper divisors (273583738460).

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

244343671540 is a wasteful number, since it uses less digits than its factorization.

244343671540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364 (or 21362 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 244343671540 in words is "two hundred forty-four billion, three hundred forty-three million, six hundred seventy-one thousand, five hundred forty".