494129622816 has 72 divisors (see below), whose sum is σ = 1415438024364. Its totient is φ = 163507599360.

The previous prime is 494129622797. The next prime is 494129622823. The reversal of 494129622816 is 618226921494.

494129622816 is a `hidden beast` number, since 4 + 9 + 4 + 1 + 2 + 9 + 622 + 8 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 450697395600 + 43432227216 = 671340^2 + 208404^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6222325 + ... + 6301236.

Almost surely, 2^494129622816 is an apocalyptic number.

It is an amenable number.

494129622816 is an abundant number, since it is smaller than the sum of its proper divisors (921308401548).

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

494129622816 is a wasteful number, since it uses less digits than its factorization.

494129622816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12523714 (or 12523703 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 494129622816 in words is "four hundred ninety-four billion, one hundred twenty-nine million, six hundred twenty-two thousand, eight hundred sixteen".