1040332044243 has 16 divisors (see below), whose sum is σ = 1435133306880. Its totient is φ = 669549157536.

The previous prime is 1040332044203. The next prime is 1040332044281. The reversal of 1040332044243 is 3424402330401.

It is a happy number.

It is not a de Polignac number, because 1040332044243 - 2⁶ = 1040332044179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040332044243.

It is not an unprimeable number, because it can be changed into a prime (1040332044203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147205 + ... + 1449942.

It is an arithmetic number, because the mean of its divisors is an integer number (89695831680).

Almost surely, 2^{1040332044243} is an apocalyptic number.

1040332044243 is a deficient number, since it is larger than the sum of its proper divisors (394801262637).

1040332044243 is a wasteful number, since it uses less digits than its factorization.

1040332044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604666.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1040332044243 its reverse (3424402330401), we get a palindrome (4464734374644).

The spelling of 1040332044243 in words is "one trillion, forty billion, three hundred thirty-two million, forty-four thousand, two hundred forty-three".