422575837544 has 32 divisors (see below), whose sum is σ = 905541249600. Its totient is φ = 181099610880.

The previous prime is 422575837543. The next prime is 422575837573. The reversal of 422575837544 is 445738575224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 422575837544.

It is not an unprimeable number, because it can be changed into a prime (422575837543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3666752 + ... + 3780240.

It is an arithmetic number, because the mean of its divisors is an integer number (28298164050).

Almost surely, 2^422575837544 is an apocalyptic number.

It is an amenable number.

422575837544 is an abundant number, since it is smaller than the sum of its proper divisors (482965412056).

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

422575837544 is a wasteful number, since it uses less digits than its factorization.

422575837544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179993 (or 179989 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 56.

The spelling of 422575837544 in words is "four hundred twenty-two billion, five hundred seventy-five million, eight hundred thirty-seven thousand, five hundred forty-four".