42321442000 has 40 divisors (see below), whose sum is σ = 102333251592. Its totient is φ = 16928576000.

The previous prime is 42321441997. The next prime is 42321442021. The reversal of 42321442000 is 24412324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125708944 + 42195733056 = 11212^2 + 205416^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×42321442000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10578361 + ... + 10582360.

Almost surely, 2^42321442000 is an apocalyptic number.

42321442000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42321442000 is an abundant number, since it is smaller than the sum of its proper divisors (60011809592).

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

42321442000 is a wasteful number, since it uses less digits than its factorization.

42321442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21160744 (or 21160728 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42321442000 its reverse (24412324), we get a palindrome (42345854324).

The spelling of 42321442000 in words is "forty-two billion, three hundred twenty-one million, four hundred forty-two thousand".