422140032444 has 24 divisors (see below), whose sum is σ = 1060762133200. Its totient is φ = 129889240704.

The previous prime is 422140032443. The next prime is 422140032499. The reversal of 422140032444 is 444230041224.

It is a super-4 number, since 4×422140032444⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422140032443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353012769 + ... + 1353013080.

Almost surely, 2^422140032444 is an apocalyptic number.

It is an amenable number.

422140032444 is an abundant number, since it is smaller than the sum of its proper divisors (638622100756).

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

422140032444 is a wasteful number, since it uses less digits than its factorization.

422140032444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706025869 (or 2706025867 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 422140032444 its reverse (444230041224), we get a palindrome (866370073668).

The spelling of 422140032444 in words is "four hundred twenty-two billion, one hundred forty million, thirty-two thousand, four hundred forty-four".