2544440510242 has 16 divisors (see below), whose sum is σ = 3888873062712. Its totient is φ = 1248151956480.

The previous prime is 2544440510239. The next prime is 2544440510341. The reversal of 2544440510242 is 2420150444452.

It can be written as a sum of positive squares in 4 ways, for example, as 1956840074641 + 587600435601 = 1398871^2 + 766551^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489492 + ... + 2703232.

Almost surely, 2^{2544440510242} is an apocalyptic number.

2544440510242 is a deficient number, since it is larger than the sum of its proper divisors (1344432552470).

2544440510242 is a wasteful number, since it uses less digits than its factorization.

2544440510242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233573.

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 2544440510242 its reverse (2420150444452), we get a palindrome (4964590954694).

The spelling of 2544440510242 in words is "two trillion, five hundred forty-four billion, four hundred forty million, five hundred ten thousand, two hundred forty-two".