494256331152 has 60 divisors (see below), whose sum is σ = 1383452775900. Its totient is φ = 164725726464.

The previous prime is 494256331099. The next prime is 494256331159. The reversal of 494256331152 is 251133652494.

494256331152 is a `hidden beast` number, since 4 + 9 + 4 + 2 + 5 + 633 + 1 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230261780736 + 263994550416 = 479856^2 + 513804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 494256331098 and 494256331107.

It is not an unprimeable number, because it can be changed into a prime (494256331159) by changing a digit.

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, 637974 + ... + 1181322.

It is an arithmetic number, because the mean of its divisors is an integer number (23057546265).

Almost surely, 2^494256331152 is an apocalyptic number.

It is an amenable number.

494256331152 is an abundant number, since it is smaller than the sum of its proper divisors (889196444748).

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

494256331152 is a wasteful number, since it uses less digits than its factorization.

494256331152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549680 (or 549671 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 494256331152 in words is "four hundred ninety-four billion, two hundred fifty-six million, three hundred thirty-one thousand, one hundred fifty-two".