440213020142 has 8 divisors (see below), whose sum is σ = 754650891696. Its totient is φ = 188662722912.

The previous prime is 440213020103. The next prime is 440213020157. The reversal of 440213020142 is 241020312044.

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

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, 15721893563 + ... + 15721893590.

It is an arithmetic number, because the mean of its divisors is an integer number (94331361462).

Almost surely, 2^440213020142 is an apocalyptic number.

440213020142 is a deficient number, since it is larger than the sum of its proper divisors (314437871554).

440213020142 is a wasteful number, since it uses less digits than its factorization.

440213020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443787162.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 440213020142 its reverse (241020312044), we get a palindrome (681233332186).

The spelling of 440213020142 in words is "four hundred forty billion, two hundred thirteen million, twenty thousand, one hundred forty-two".