440395142 has 16 divisors (see below), whose sum is σ = 722304000. Its totient is φ = 199719240.

The previous prime is 440395141. The next prime is 440395147. The reversal of 440395142 is 241593044.

It is a junction number, because it is equal to n+sod(n) for n = 440395099 and 440395108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440395141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13142 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (45144000).

Almost surely, 2^440395142 is an apocalyptic number.

440395142 is a deficient number, since it is larger than the sum of its proper divisors (281908858).

440395142 is a wasteful number, since it uses less digits than its factorization.

440395142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46051.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 440395142 is about 20985.5936775684. The cubic root of 440395142 is about 760.8181067933.

The spelling of 440395142 in words is "four hundred forty million, three hundred ninety-five thousand, one hundred forty-two".