43442163230424 has 128 divisors (see below), whose sum is σ = 125399031482880. Its totient is φ = 12284287488000.

The previous prime is 43442163230407. The next prime is 43442163230441. The reversal of 43442163230424 is 42403236124434.

It is an interprime number because it is at equal distance from previous prime (43442163230407) and next prime (43442163230441).

It is a super-2 number, since 2×43442163230424² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42440232 + ... + 43451784.

It is an arithmetic number, because the mean of its divisors is an integer number (979679933460).

Almost surely, 2^{43442163230424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43442163230424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62699515741440).

43442163230424 is an abundant number, since it is smaller than the sum of its proper divisors (81956868252456).

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

43442163230424 is a wasteful number, since it uses less digits than its factorization.

43442163230424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014201 (or 1014197 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 42.

Adding to 43442163230424 its reverse (42403236124434), we get a palindrome (85845399354858).

The spelling of 43442163230424 in words is "forty-three trillion, four hundred forty-two billion, one hundred sixty-three million, two hundred thirty thousand, four hundred twenty-four".