494456078000 has 40 divisors (see below), whose sum is σ = 1195594801440. Its totient is φ = 197782430400.

The previous prime is 494456077993. The next prime is 494456078009. The reversal of 494456078000 is 870654494.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×494456078000² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494456078009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123612020 + ... + 123616019.

It is an arithmetic number, because the mean of its divisors is an integer number (29889870036).

Almost surely, 2^494456078000 is an apocalyptic number.

494456078000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494456078000 is an abundant number, since it is smaller than the sum of its proper divisors (701138723440).

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

494456078000 is a wasteful number, since it uses less digits than its factorization.

494456078000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247228062 (or 247228046 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 494456078000 in words is "four hundred ninety-four billion, four hundred fifty-six million, seventy-eight thousand".