2440020424244 has 18 divisors (see below), whose sum is σ = 4623766515270. Its totient is φ = 1126163272416.

The previous prime is 2440020424223. The next prime is 2440020424249. The reversal of 2440020424244 is 4424240200442.

It can be written as a sum of positive squares in 3 ways, for example, as 73407399844 + 2366613024400 = 270938^2 + 1538380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2440020424244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440020424249) 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 5 ways as a sum of consecutive naturals, for example, 1804748159 + ... + 1804749510.

It is an arithmetic number, because the mean of its divisors is an integer number (256875917515).

Almost surely, 2^{2440020424244} is an apocalyptic number.

It is an amenable number.

2440020424244 is a deficient number, since it is larger than the sum of its proper divisors (2183746091026).

2440020424244 is a wasteful number, since it uses less digits than its factorization.

2440020424244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609497699 (or 3609497684 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2440020424244 its reverse (4424240200442), we get a palindrome (6864260624686).

The spelling of 2440020424244 in words is "two trillion, four hundred forty billion, twenty million, four hundred twenty-four thousand, two hundred forty-four".