422409540000 has 960 divisors, whose sum is σ = 1703629863936. Its totient is φ = 89413632000.

The previous prime is 422409539953. The next prime is 422409540053. The reversal of 422409540000 is 45904224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 422409540000.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 478379559 + ... + 478380441.

Almost surely, 2^422409540000 is an apocalyptic number.

422409540000 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 422409540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851814931968).

422409540000 is an abundant number, since it is smaller than the sum of its proper divisors (1281220323936).

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

422409540000 is a wasteful number, since it uses less digits than its factorization.

422409540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 422409540000 in words is "four hundred twenty-two billion, four hundred nine million, five hundred forty thousand".