494226619642 has 32 divisors (see below), whose sum is σ = 874682081280. Its totient is φ = 204953952240.

The previous prime is 494226619529. The next prime is 494226619643. The reversal of 494226619642 is 246916622494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (494226619643) 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, 3762883 + ... + 3892009.

It is an arithmetic number, because the mean of its divisors is an integer number (27333815040).

Almost surely, 2^494226619642 is an apocalyptic number.

494226619642 is a deficient number, since it is larger than the sum of its proper divisors (380455461638).

494226619642 is a wasteful number, since it uses less digits than its factorization.

494226619642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137986.

The product of its digits is 8957952, while the sum is 55.

The spelling of 494226619642 in words is "four hundred ninety-four billion, two hundred twenty-six million, six hundred nineteen thousand, six hundred forty-two".