422004640000 has 90 divisors (see below), whose sum is σ = 1052614485230. Its totient is φ = 168801792000.

The previous prime is 422004639983. The next prime is 422004640009. The reversal of 422004640000 is 46400224.

It can be written as a sum of positive squares in 5 ways, for example, as 75620600064 + 346384039936 = 274992^2 + 588544^2 .

It is not an unprimeable number, because it can be changed into a prime (422004640009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1158765 + ... + 1478764.

Almost surely, 2^422004640000 is an apocalyptic number.

422004640000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422004640000 is an abundant number, since it is smaller than the sum of its proper divisors (630609845230).

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

422004640000 is an frugal number, since it uses more digits than its factorization.

422004640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637565 (or 2637536 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The spelling of 422004640000 in words is "four hundred twenty-two billion, four million, six hundred forty thousand".