440142253222142 has 4 divisors (see below), whose sum is σ = 660213379833216. Its totient is φ = 220071126611070.

The previous prime is 440142253222109. The next prime is 440142253222159. The reversal of 440142253222142 is 241222352241044.

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

It is a junction number, because it is equal to n+sod(n) for n = 440142253222096 and 440142253222105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110035563305534 + ... + 110035563305537.

It is an arithmetic number, because the mean of its divisors is an integer number (165053344958304).

Almost surely, 2^{440142253222142} is an apocalyptic number.

440142253222142 is a deficient number, since it is larger than the sum of its proper divisors (220071126611074).

440142253222142 is a wasteful number, since it uses less digits than its factorization.

440142253222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220071126611073.

The product of its (nonzero) digits is 245760, while the sum is 38.

The spelling of 440142253222142 in words is "four hundred forty trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".