422946720000 has 540 divisors, whose sum is σ = 1741569269440. Its totient is φ = 96671232000.

The previous prime is 422946719999. The next prime is 422946720023. The reversal of 422946720000 is 27649224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 10059021 + ... + 10100979.

Almost surely, 2^422946720000 is an apocalyptic number.

422946720000 is a gapful number since it is divisible by the number (40) 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 422946720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870784634720).

422946720000 is an abundant number, since it is smaller than the sum of its proper divisors (1318622549440).

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

422946720000 is an equidigital number, since it uses as much as digits as its factorization.

422946720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42008 (or 41976 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 422946720000 in words is "four hundred twenty-two billion, nine hundred forty-six million, seven hundred twenty thousand".