422545543450 has 24 divisors (see below), whose sum is σ = 786049734240. Its totient is φ = 168993481200.

The previous prime is 422545543411. The next prime is 422545543477. The reversal of 422545543450 is 54345545224.

It is a junction number, because it is equal to n+sod(n) for n = 422545543397 and 422545543406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271420 + ... + 958519.

It is an arithmetic number, because the mean of its divisors is an integer number (32752072260).

Almost surely, 2^422545543450 is an apocalyptic number.

422545543450 is a deficient number, since it is larger than the sum of its proper divisors (363504190790).

422545543450 is a wasteful number, since it uses less digits than its factorization.

422545543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236822 (or 1236817 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 43.

The spelling of 422545543450 in words is "four hundred twenty-two billion, five hundred forty-five million, five hundred forty-three thousand, four hundred fifty".