440042134 has 32 divisors (see below), whose sum is σ = 774740736. Its totient is φ = 183526560.

The previous prime is 440042111. The next prime is 440042137. The reversal of 440042134 is 431240044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440042137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183624 + ... + 186004.

It is an arithmetic number, because the mean of its divisors is an integer number (24210648).

Almost surely, 2^440042134 is an apocalyptic number.

440042134 is a deficient number, since it is larger than the sum of its proper divisors (334698602).

440042134 is a wasteful number, since it uses less digits than its factorization.

440042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440042134 is about 20977.1812691791. The cubic root of 440042134 is about 760.6147691954.

Adding to 440042134 its reverse (431240044), we get a palindrome (871282178).

The spelling of 440042134 in words is "four hundred forty million, forty-two thousand, one hundred thirty-four".