440305042 has 8 divisors (see below), whose sum is σ = 663916032. Its totient is φ = 218999700.

The previous prime is 440305003. The next prime is 440305067. The reversal of 440305042 is 240503044.

It is a happy number.

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

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, 575934 + ... + 576697.

It is an arithmetic number, because the mean of its divisors is an integer number (82989504).

Almost surely, 2^440305042 is an apocalyptic number.

440305042 is a deficient number, since it is larger than the sum of its proper divisors (223610990).

440305042 is a wasteful number, since it uses less digits than its factorization.

440305042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152824.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 440305042 is about 20983.4468569871. The cubic root of 440305042 is about 760.7662182502.

Adding to 440305042 its reverse (240503044), we get a palindrome (680808086).

The spelling of 440305042 in words is "four hundred forty million, three hundred five thousand, forty-two".