494596374820 has 24 divisors (see below), whose sum is σ = 1039496185728. Its totient is φ = 197677826400.

The previous prime is 494596374799. The next prime is 494596374823. The reversal of 494596374820 is 28473695494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (494596374823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10019986 + ... + 10069225.

It is an arithmetic number, because the mean of its divisors is an integer number (43312341072).

Almost surely, 2^494596374820 is an apocalyptic number.

It is an amenable number.

494596374820 is an abundant number, since it is smaller than the sum of its proper divisors (544899810908).

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

494596374820 is a wasteful number, since it uses less digits than its factorization.

494596374820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090451 (or 20090449 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 494596374820 in words is "four hundred ninety-four billion, five hundred ninety-six million, three hundred seventy-four thousand, eight hundred twenty".