43430505040412 has 24 divisors (see below), whose sum is σ = 90637575737856. Its totient is φ = 17803809519408.

The previous prime is 43430505040409. The next prime is 43430505040423. The reversal of 43430505040412 is 21404050503434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33719335568 + ... + 33719336855.

It is an arithmetic number, because the mean of its divisors is an integer number (3776565655744).

Almost surely, 2^{43430505040412} is an apocalyptic number.

It is an amenable number.

43430505040412 is an abundant number, since it is smaller than the sum of its proper divisors (47207070697444).

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

43430505040412 is a wasteful number, since it uses less digits than its factorization.

43430505040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67438672457 (or 67438672455 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 43430505040412 its reverse (21404050503434), we get a palindrome (64834555543846).

The spelling of 43430505040412 in words is "forty-three trillion, four hundred thirty billion, five hundred five million, forty thousand, four hundred twelve".