440395460018 has 32 divisors (see below), whose sum is σ = 710228736000. Its totient is φ = 204190413840.

The previous prime is 440395460017. The next prime is 440395460023. The reversal of 440395460018 is 810064593044.

It is a super-2 number, since 2×440395460018² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440395460017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212138 + ... + 962181.

It is an arithmetic number, because the mean of its divisors is an integer number (22194648000).

Almost surely, 2^440395460018 is an apocalyptic number.

440395460018 is a deficient number, since it is larger than the sum of its proper divisors (269833275982).

440395460018 is a wasteful number, since it uses less digits than its factorization.

440395460018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174550.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 440395460018 in words is "four hundred forty billion, three hundred ninety-five million, four hundred sixty thousand, eighteen".