440404131142 has 8 divisors (see below), whose sum is σ = 667146852432. Its totient is φ = 218021847000.

The previous prime is 440404131133. The next prime is 440404131151. The reversal of 440404131142 is 241131404044.

It is an interprime number because it is at equal distance from previous prime (440404131133) and next prime (440404131151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 440404131142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090109034 + ... + 1090109437.

It is an arithmetic number, because the mean of its divisors is an integer number (83393356554).

Almost surely, 2^440404131142 is an apocalyptic number.

440404131142 is a deficient number, since it is larger than the sum of its proper divisors (226742721290).

440404131142 is a wasteful number, since it uses less digits than its factorization.

440404131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180218574.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 440404131142 its reverse (241131404044), we get a palindrome (681535535186).

The spelling of 440404131142 in words is "four hundred forty billion, four hundred four million, one hundred thirty-one thousand, one hundred forty-two".