440142104 has 64 divisors (see below), whose sum is σ = 897544800. Its totient is φ = 201570304.

The previous prime is 440142091. The next prime is 440142107. The reversal of 440142104 is 401241044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440142107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636082 + ... + 1636350.

Almost surely, 2^440142104 is an apocalyptic number.

It is an amenable number.

440142104 is an abundant number, since it is smaller than the sum of its proper divisors (457402696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440142104 is a wasteful number, since it uses less digits than its factorization.

440142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 440142104 is about 20979.5639611504. The cubic root of 440142104 is about 760.6723643627.

Adding to 440142104 its reverse (401241044), we get a palindrome (841383148).

The spelling of 440142104 in words is "four hundred forty million, one hundred forty-two thousand, one hundred four".