2440403661043 has 4 divisors (see below), whose sum is σ = 2440462067568. Its totient is φ = 2440345254520.

The previous prime is 2440403661041. The next prime is 2440403661077. The reversal of 2440403661043 is 3401663040442.

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

It is a cyclic number.

It is not a de Polignac number, because 2440403661043 - 2¹ = 2440403661041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440403660993 and 2440403661011.

It is not an unprimeable number, because it can be changed into a prime (2440403661041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29140543 + ... + 29224168.

It is an arithmetic number, because the mean of its divisors is an integer number (610115516892).

Almost surely, 2^{2440403661043} is an apocalyptic number.

2440403661043 is a deficient number, since it is larger than the sum of its proper divisors (58406525).

2440403661043 is an equidigital number, since it uses as much as digits as its factorization.

2440403661043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58406524.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 2440403661043 in words is "two trillion, four hundred forty billion, four hundred three million, six hundred sixty-one thousand, forty-three".