21442023441230 has 32 divisors (see below), whose sum is σ = 44713542435264. Its totient is φ = 7250844715776.

The previous prime is 21442023441199. The next prime is 21442023441239. The reversal of 21442023441230 is 3214432024412.

It is a happy number.

It is a super-2 number, since 2×21442023441230² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442023441239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2098040237 + ... + 2098050456.

It is an arithmetic number, because the mean of its divisors is an integer number (1397298201102).

Almost surely, 2^{21442023441230} is an apocalyptic number.

21442023441230 is an abundant number, since it is smaller than the sum of its proper divisors (23271518994034).

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

21442023441230 is a wasteful number, since it uses less digits than its factorization.

21442023441230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196090780.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 21442023441230 its reverse (3214432024412), we get a palindrome (24656455465642).

The spelling of 21442023441230 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred forty-one thousand, two hundred thirty".