422444004040 has 16 divisors (see below), whose sum is σ = 950499009180. Its totient is φ = 168977601600.

The previous prime is 422444004029. The next prime is 422444004079. The reversal of 422444004040 is 40400444224.

It can be written as a sum of positive squares in 2 ways, for example, as 412875642916 + 9568361124 = 642554^2 + 97818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280550011 + ... + 5280550090.

Almost surely, 2^422444004040 is an apocalyptic number.

422444004040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422444004040 is an abundant number, since it is smaller than the sum of its proper divisors (528055005140).

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

422444004040 is a wasteful number, since it uses less digits than its factorization.

422444004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561100112 (or 10561100108 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 422444004040 its reverse (40400444224), we get a palindrome (462844448264).

The spelling of 422444004040 in words is "four hundred twenty-two billion, four hundred forty-four million, four thousand, forty".