43412140020 has 24 divisors (see below), whose sum is σ = 121553992224. Its totient is φ = 11576570656.

The previous prime is 43412140019. The next prime is 43412140043. The reversal of 43412140020 is 2004121434.

It is a super-2 number, since 2×43412140020² (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, 361767774 + ... + 361767893.

It is an arithmetic number, because the mean of its divisors is an integer number (5064749676).

Almost surely, 2^43412140020 is an apocalyptic number.

It is an amenable number.

43412140020 is an abundant number, since it is smaller than the sum of its proper divisors (78141852204).

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

43412140020 is a wasteful number, since it uses less digits than its factorization.

43412140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723535679 (or 723535677 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 43412140020 its reverse (2004121434), we get a palindrome (45416261454).

The spelling of 43412140020 in words is "forty-three billion, four hundred twelve million, one hundred forty thousand, twenty".