422455134400 has 84 divisors (see below), whose sum is σ = 1119465540592. Its totient is φ = 155983426560.

The previous prime is 422455134379. The next prime is 422455134407. The reversal of 422455134400 is 4431554224.

It is not an unprimeable number, because it can be changed into a prime (422455134407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10134372 + ... + 10175971.

Almost surely, 2^422455134400 is an apocalyptic number.

422455134400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422455134400 is an abundant number, since it is smaller than the sum of its proper divisors (697010406192).

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

422455134400 is a wasteful number, since it uses less digits than its factorization.

422455134400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310378 (or 20310363 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 422455134400 its reverse (4431554224), we get a palindrome (426886688624).

The spelling of 422455134400 in words is "four hundred twenty-two billion, four hundred fifty-five million, one hundred thirty-four thousand, four hundred".