440020135014042 has 32 divisors (see below), whose sum is σ = 960046253277120. Its totient is φ = 133339112305920.

The previous prime is 440020135014013. The next prime is 440020135014077. The reversal of 440020135014042 is 240410531020044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20170434 + ... + 35873202.

It is an arithmetic number, because the mean of its divisors is an integer number (30001445414910).

Almost surely, 2^{440020135014042} is an apocalyptic number.

440020135014042 is an abundant number, since it is smaller than the sum of its proper divisors (520026118263078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440020135014042 is a wasteful number, since it uses less digits than its factorization.

440020135014042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127358.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 440020135014042 its reverse (240410531020044), we get a palindrome (680430666034086).

The spelling of 440020135014042 in words is "four hundred forty trillion, twenty billion, one hundred thirty-five million, fourteen thousand, forty-two".