2240344431544 has 8 divisors (see below), whose sum is σ = 4200645809160. Its totient is φ = 1120172215768.

The previous prime is 2240344431499. The next prime is 2240344431557. The reversal of 2240344431544 is 4451344430422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2240344431497 and 2240344431506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140021526964 + ... + 140021526979.

It is an arithmetic number, because the mean of its divisors is an integer number (525080726145).

Almost surely, 2^{2240344431544} is an apocalyptic number.

It is an amenable number.

2240344431544 is a deficient number, since it is larger than the sum of its proper divisors (1960301377616).

2240344431544 is a wasteful number, since it uses less digits than its factorization.

2240344431544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280043053949 (or 280043053945 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 2240344431544 its reverse (4451344430422), we get a palindrome (6691688861966).

The spelling of 2240344431544 in words is "two trillion, two hundred forty billion, three hundred forty-four million, four hundred thirty-one thousand, five hundred forty-four".