442222422040 has 32 divisors (see below), whose sum is σ = 1137143371680. Its totient is φ = 151619116032.

The previous prime is 442222422029. The next prime is 442222422077. The reversal of 442222422040 is 40224222244.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789682617 + ... + 789683176.

It is an arithmetic number, because the mean of its divisors is an integer number (35535730365).

Almost surely, 2^442222422040 is an apocalyptic number.

442222422040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442222422040 is an abundant number, since it is smaller than the sum of its proper divisors (694920949640).

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

442222422040 is a wasteful number, since it uses less digits than its factorization.

442222422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579365811 (or 1579365807 counting only the distinct ones).

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

Adding to 442222422040 its reverse (40224222244), we get a palindrome (482446644284).

The spelling of 442222422040 in words is "four hundred forty-two billion, two hundred twenty-two million, four hundred twenty-two thousand, forty".