422687440550 has 24 divisors (see below), whose sum is σ = 786225236400. Its totient is φ = 169069256480.

The previous prime is 422687440421. The next prime is 422687440573. The reversal of 422687440550 is 55044786224.

It is a junction number, because it is equal to n+sod(n) for n = 422687440495 and 422687440504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1547696 + ... + 1800204.

It is an arithmetic number, because the mean of its divisors is an integer number (32759384850).

Almost surely, 2^422687440550 is an apocalyptic number.

422687440550 is a deficient number, since it is larger than the sum of its proper divisors (363537795850).

422687440550 is a wasteful number, since it uses less digits than its factorization.

422687440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286000 (or 285995 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 422687440550 in words is "four hundred twenty-two billion, six hundred eighty-seven million, four hundred forty thousand, five hundred fifty".