2440021243126 has 4 divisors (see below), whose sum is σ = 3660031864692. Its totient is φ = 1220010621562.

The previous prime is 2440021243117. The next prime is 2440021243159. The reversal of 2440021243126 is 6213421200442.

2440021243126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005310780 + ... + 610005310783.

It is an arithmetic number, because the mean of its divisors is an integer number (915007966173).

Almost surely, 2^{2440021243126} is an apocalyptic number.

2440021243126 is a deficient number, since it is larger than the sum of its proper divisors (1220010621566).

2440021243126 is a wasteful number, since it uses less digits than its factorization.

2440021243126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220010621565.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2440021243126 its reverse (6213421200442), we get a palindrome (8653442443568).

The spelling of 2440021243126 in words is "two trillion, four hundred forty billion, twenty-one million, two hundred forty-three thousand, one hundred twenty-six".