544220242440 has 96 divisors (see below), whose sum is σ = 1899217601280. Its totient is φ = 124393196928.

The previous prime is 544220242417. The next prime is 544220242441. The reversal of 544220242440 is 44242022445.

It is not an unprimeable number, because it can be changed into a prime (544220242441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46271352 + ... + 46283111.

It is an arithmetic number, because the mean of its divisors is an integer number (19783516680).

Almost surely, 2^544220242440 is an apocalyptic number.

It is an amenable number.

544220242440 is an abundant number, since it is smaller than the sum of its proper divisors (1354997358840).

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

544220242440 is a wasteful number, since it uses less digits than its factorization.

544220242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92554491 (or 92554480 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 544220242440 its reverse (44242022445), we get a palindrome (588462264885).

The spelling of 544220242440 in words is "five hundred forty-four billion, two hundred twenty million, two hundred forty-two thousand, four hundred forty".