440611142 has 8 divisors (see below), whose sum is σ = 663659832. Its totient is φ = 219391200.

The previous prime is 440611057. The next prime is 440611163. The reversal of 440611142 is 241116044.

It is a happy number.

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

It is a super-3 number, since 3×440611142³ (a number of 27 digits) contains 333 as substring.

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, 456584 + ... + 457547.

It is an arithmetic number, because the mean of its divisors is an integer number (82957479).

Almost surely, 2^440611142 is an apocalyptic number.

440611142 is a deficient number, since it is larger than the sum of its proper divisors (223048690).

440611142 is a wasteful number, since it uses less digits than its factorization.

440611142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914374.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 440611142 is about 20990.7394343315. The cubic root of 440611142 is about 760.9424722667.

Adding to 440611142 its reverse (241116044), we get a palindrome (681727186).

The spelling of 440611142 in words is "four hundred forty million, six hundred eleven thousand, one hundred forty-two".