42231440000 has 160 divisors (see below), whose sum is σ = 106715215200. Its totient is φ = 16638336000.

The previous prime is 42231439997. The next prime is 42231440039. The reversal of 42231440000 is 4413224.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5356061 + ... + 5363939.

It is an arithmetic number, because the mean of its divisors is an integer number (666970095).

Almost surely, 2^42231440000 is an apocalyptic number.

42231440000 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 42231440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53357607600).

42231440000 is an abundant number, since it is smaller than the sum of its proper divisors (64483775200).

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

42231440000 is an frugal number, since it uses more digits than its factorization.

42231440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7980 (or 7953 counting only the distinct ones).

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

Adding to 42231440000 its reverse (4413224), we get a palindrome (42235853224).

The spelling of 42231440000 in words is "forty-two billion, two hundred thirty-one million, four hundred forty thousand".