440023411131 has 4 divisors (see below), whose sum is σ = 586697881512. Its totient is φ = 293348940752.

The previous prime is 440023411097. The next prime is 440023411187. The reversal of 440023411131 is 131114320044.

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 440023411131 - 2¹⁰ = 440023410107 is a prime.

It is a super-2 number, since 2×440023411131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440023419131) 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, 73337235186 + ... + 73337235191.

It is an arithmetic number, because the mean of its divisors is an integer number (146674470378).

Almost surely, 2^440023411131 is an apocalyptic number.

440023411131 is a deficient number, since it is larger than the sum of its proper divisors (146674470381).

440023411131 is a wasteful number, since it uses less digits than its factorization.

440023411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146674470380.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 440023411131 its reverse (131114320044), we get a palindrome (571137731175).

The spelling of 440023411131 in words is "four hundred forty billion, twenty-three million, four hundred eleven thousand, one hundred thirty-one".