440042529 has 16 divisors (see below), whose sum is σ = 604827648. Its totient is φ = 284426832.

The previous prime is 440042497. The next prime is 440042543. The reversal of 440042529 is 925240044.

It is not a de Polignac number, because 440042529 - 2⁵ = 440042497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440042496 and 440042505.

It is not an unprimeable number, because it can be changed into a prime (440042579) 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, 504 + ... + 29670.

It is an arithmetic number, because the mean of its divisors is an integer number (37801728).

Almost surely, 2^440042529 is an apocalyptic number.

It is an amenable number.

440042529 is a deficient number, since it is larger than the sum of its proper divisors (164785119).

440042529 is a wasteful number, since it uses less digits than its factorization.

440042529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29324.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 440042529 is about 20977.1906841693. The cubic root of 440042529 is about 760.6149967818.

The spelling of 440042529 in words is "four hundred forty million, forty-two thousand, five hundred twenty-nine".