442130420000 has 120 divisors (see below), whose sum is σ = 1097877954096. Its totient is φ = 175198496000.

The previous prime is 442130419987. The next prime is 442130420029. The reversal of 442130420000 is 24031244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2036699 + ... + 2243301.

Almost surely, 2^442130420000 is an apocalyptic number.

442130420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442130420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548938977048).

442130420000 is an abundant number, since it is smaller than the sum of its proper divisors (655747534096).

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

442130420000 is a wasteful number, since it uses less digits than its factorization.

442130420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206740 (or 206717 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 442130420000 its reverse (24031244), we get a palindrome (442154451244).

The spelling of 442130420000 in words is "four hundred forty-two billion, one hundred thirty million, four hundred twenty thousand".