440006620042 has 16 divisors (see below), whose sum is σ = 736755272352. Its totient is φ = 195351775920.

The previous prime is 440006619959. The next prime is 440006620043. The reversal of 440006620042 is 240026600044.

It is not an unprimeable number, because it can be changed into a prime (440006620043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232560693 + ... + 232562584.

It is an arithmetic number, because the mean of its divisors is an integer number (46047204522).

Almost surely, 2^440006620042 is an apocalyptic number.

440006620042 is a deficient number, since it is larger than the sum of its proper divisors (296748652310).

440006620042 is a wasteful number, since it uses less digits than its factorization.

440006620042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465123333.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 440006620042 in words is "four hundred forty billion, six million, six hundred twenty thousand, forty-two".