1040144442311 has 4 divisors (see below), whose sum is σ = 1120155553272. Its totient is φ = 960133331352.

The previous prime is 1040144442299. The next prime is 1040144442317. The reversal of 1040144442311 is 1132444410401.

It is a happy number.

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

It is not a de Polignac number, because 1040144442311 - 2¹⁸ = 1040144180167 is a prime.

It is a super-2 number, since 2×1040144442311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040144442317) 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, 40005555461 + ... + 40005555486.

It is an arithmetic number, because the mean of its divisors is an integer number (280038888318).

Almost surely, 2^{1040144442311} is an apocalyptic number.

1040144442311 is a deficient number, since it is larger than the sum of its proper divisors (80011110961).

1040144442311 is an equidigital number, since it uses as much as digits as its factorization.

1040144442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80011110960.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1040144442311 its reverse (1132444410401), we get a palindrome (2172588852712).

The spelling of 1040144442311 in words is "one trillion, forty billion, one hundred forty-four million, four hundred forty-two thousand, three hundred eleven".