42443644634424 has 64 divisors (see below), whose sum is σ = 128617104960000. Its totient is φ = 12861710494560.

The previous prime is 42443644634411. The next prime is 42443644634491.

It is a happy number.

42443644634424 is a `hidden beast` number, since 4 + 24 + 43 + 64 + 463 + 44 + 24 = 666.

42443644634424 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8931741024 + ... + 8931745775.

It is an arithmetic number, because the mean of its divisors is an integer number (2009642265000).

Almost surely, 2^{42443644634424} is an apocalyptic number.

42443644634424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42443644634424 is an abundant number, since it is smaller than the sum of its proper divisors (86173460325576).

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

42443644634424 is a wasteful number, since it uses less digits than its factorization.

42443644634424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17863486825 (or 17863486815 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 54.

It can be divided in two parts, 4244364 and 4634424, that added together give a palindrome (8878788).

The spelling of 42443644634424 in words is "forty-two trillion, four hundred forty-three billion, six hundred forty-four million, six hundred thirty-four thousand, four hundred twenty-four".