422544005040 has 160 divisors (see below), whose sum is σ = 1438777198080. Its totient is φ = 102106718208.

The previous prime is 422544005029. The next prime is 422544005077. The reversal of 422544005040 is 40500445224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 422544004989 and 422544005007.

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 31 ways as a sum of consecutive naturals, for example, 1909537 + ... + 2119296.

It is an arithmetic number, because the mean of its divisors is an integer number (8992357488).

Almost surely, 2^422544005040 is an apocalyptic number.

422544005040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422544005040 is an abundant number, since it is smaller than the sum of its proper divisors (1016233193040).

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

422544005040 is a wasteful number, since it uses less digits than its factorization.

422544005040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028891 (or 4028885 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 422544005040 in words is "four hundred twenty-two billion, five hundred forty-four million, five thousand, forty".