2440004244440 has 64 divisors (see below), whose sum is σ = 6292378425600. Its totient is φ = 834161977728.

The previous prime is 2440004244439. The next prime is 2440004244443. The reversal of 2440004244440 is 444424000442.

It is a junction number, because it is equal to n+sod(n) for n = 2440004244397 and 2440004244406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440004244443) 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 15 ways as a sum of consecutive naturals, for example, 12459470 + ... + 12653789.

It is an arithmetic number, because the mean of its divisors is an integer number (98318412900).

Almost surely, 2^{2440004244440} is an apocalyptic number.

2440004244440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440004244440 is an abundant number, since it is smaller than the sum of its proper divisors (3852374181160).

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

2440004244440 is a wasteful number, since it uses less digits than its factorization.

2440004244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25113624 (or 25113620 counting only the distinct ones).

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

Adding to 2440004244440 its reverse (444424000442), we get a palindrome (2884428244882).

The spelling of 2440004244440 in words is "two trillion, four hundred forty billion, four million, two hundred forty-four thousand, four hundred forty".