440539742 has 8 divisors (see below), whose sum is σ = 674869536. Its totient is φ = 215583232.

The previous prime is 440539727. The next prime is 440539747. The reversal of 440539742 is 247935044.

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

It is a junction number, because it is equal to n+sod(n) for n = 440539696 and 440539705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440539747) 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 3 ways as a sum of consecutive naturals, for example, 2343203 + ... + 2343390.

It is an arithmetic number, because the mean of its divisors is an integer number (84358692).

Almost surely, 2^440539742 is an apocalyptic number.

440539742 is a deficient number, since it is larger than the sum of its proper divisors (234329794).

440539742 is a wasteful number, since it uses less digits than its factorization.

440539742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686642.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 440539742 is about 20989.0386154297. The cubic root of 440539742 is about 760.9013670666.

The spelling of 440539742 in words is "four hundred forty million, five hundred thirty-nine thousand, seven hundred forty-two".