1142440320043 has 32 divisors (see below), whose sum is σ = 1331077017600. Its totient is φ = 969546765600.

The previous prime is 1142440320023. The next prime is 1142440320071. The reversal of 1142440320043 is 3400230442411.

It is a cyclic number.

It is not a de Polignac number, because 1142440320043 - 2⁵ = 1142440320011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142440319993 and 1142440320020.

It is not an unprimeable number, because it can be changed into a prime (1142440320023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29346930 + ... + 29385832.

It is an arithmetic number, because the mean of its divisors is an integer number (41596156800).

Almost surely, 2^{1142440320043} is an apocalyptic number.

1142440320043 is a deficient number, since it is larger than the sum of its proper divisors (188636697557).

1142440320043 is a wasteful number, since it uses less digits than its factorization.

1142440320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40983.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1142440320043 its reverse (3400230442411), we get a palindrome (4542670762454).

The spelling of 1142440320043 in words is "one trillion, one hundred forty-two billion, four hundred forty million, three hundred twenty thousand, forty-three".