422780688000 has 512 divisors, whose sum is σ = 1698828768000. Its totient is φ = 102491136000.

The previous prime is 422780687999. The next prime is 422780688013. The reversal of 422780688000 is 886087224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4707516 + ... + 4796484.

Almost surely, 2^422780688000 is an apocalyptic number.

422780688000 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 422780688000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849414384000).

422780688000 is an abundant number, since it is smaller than the sum of its proper divisors (1276048080000).

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

422780688000 is a wasteful number, since it uses less digits than its factorization.

422780688000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89018 (or 88990 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 422780688000 in words is "four hundred twenty-two billion, seven hundred eighty million, six hundred eighty-eight thousand".