494444443888886 has 8 divisors (see below), whose sum is σ = 741677451251520. Its totient is φ = 247218626805048.

The previous prime is 494444443888883. The next prime is 494444443888909. The reversal of 494444443888886 is 688888344444494.

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

It is a super-2 number, since 2×494444443888886² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494444443888798 and 494444443888807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494444443888883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797397781 + ... + 1797672848.

It is an arithmetic number, because the mean of its divisors is an integer number (92709681406440).

Almost surely, 2^{494444443888886} is an apocalyptic number.

494444443888886 is a deficient number, since it is larger than the sum of its proper divisors (247233007362634).

494444443888886 is a wasteful number, since it uses less digits than its factorization.

494444443888886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595139398.

The product of its digits is 86973087744, while the sum is 86.

The spelling of 494444443888886 in words is "four hundred ninety-four trillion, four hundred forty-four billion, four hundred forty-three million, eight hundred eighty-eight thousand, eight hundred eighty-six".