1040042204143 has 4 divisors (see below), whose sum is σ = 1049246117568. Its totient is φ = 1030838290720.

The previous prime is 1040042204137. The next prime is 1040042204221. The reversal of 1040042204143 is 3414022400401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040042204143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040042274143) 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, 4601956543 + ... + 4601956768.

It is an arithmetic number, because the mean of its divisors is an integer number (262311529392).

Almost surely, 2^{1040042204143} is an apocalyptic number.

1040042204143 is a deficient number, since it is larger than the sum of its proper divisors (9203913425).

1040042204143 is an equidigital number, since it uses as much as digits as its factorization.

1040042204143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203913424.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1040042204143 its reverse (3414022400401), we get a palindrome (4454064604544).

The spelling of 1040042204143 in words is "one trillion, forty billion, forty-two million, two hundred four thousand, one hundred forty-three".