442518517466 has 32 divisors (see below), whose sum is σ = 715077697536. Its totient is φ = 204784470000.

The previous prime is 442518517433. The next prime is 442518517477. The reversal of 442518517466 is 664715815244.

It is a super-2 number, since 2×442518517466² (a number of 24 digits) contains 22 as substring.

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, 13603481 + ... + 13635971.

It is an arithmetic number, because the mean of its divisors is an integer number (22346178048).

Almost surely, 2^442518517466 is an apocalyptic number.

442518517466 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

442518517466 is a deficient number, since it is larger than the sum of its proper divisors (272559180070).

442518517466 is a wasteful number, since it uses less digits than its factorization.

442518517466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098.

The product of its digits is 6451200, while the sum is 53.

The spelling of 442518517466 in words is "four hundred forty-two billion, five hundred eighteen million, five hundred seventeen thousand, four hundred sixty-six".