422490081168 has 100 divisors (see below), whose sum is σ = 1223965358748. Its totient is φ = 140696835840.

The previous prime is 422490081151. The next prime is 422490081173. The reversal of 422490081168 is 861180094224.

422490081168 is a `hidden beast` number, since 4 + 22 + 490 + 0 + 81 + 1 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 364173627024 + 58316454144 = 603468^2 + 241488^2 .

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 19 ways as a sum of consecutive naturals, for example, 1221430 + ... + 1528682.

Almost surely, 2^422490081168 is an apocalyptic number.

422490081168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422490081168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611982679374).

422490081168 is an abundant number, since it is smaller than the sum of its proper divisors (801475277580).

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

422490081168 is a wasteful number, since it uses less digits than its factorization.

422490081168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308334 (or 308319 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 422490081168 in words is "four hundred twenty-two billion, four hundred ninety million, eighty-one thousand, one hundred sixty-eight".