440131145141012 has 48 divisors (see below), whose sum is σ = 881511598582272. Its totient is φ = 190482698165760.

The previous prime is 440131145140993. The next prime is 440131145141071. The reversal of 440131145141012 is 210141541131044.

It is a self number, because there is not a number n which added to its sum of digits gives 440131145141012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918369128 + ... + 918848255.

It is an arithmetic number, because the mean of its divisors is an integer number (18364824970464).

Almost surely, 2^{440131145141012} is an apocalyptic number.

It is an amenable number.

440131145141012 is an abundant number, since it is smaller than the sum of its proper divisors (441380453441260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440131145141012 is a wasteful number, since it uses less digits than its factorization.

440131145141012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837217688 (or 1837217686 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 440131145141012 its reverse (210141541131044), we get a palindrome (650272686272056).

The spelling of 440131145141012 in words is "four hundred forty trillion, one hundred thirty-one billion, one hundred forty-five million, one hundred forty-one thousand, twelve".