43140424031200 has 144 divisors (see below), whose sum is σ = 106415451568944. Its totient is φ = 17076296192000.

The previous prime is 43140424031101. The next prime is 43140424031203. The reversal of 43140424031200 is 213042404134.

It is a super-2 number, since 2×43140424031200² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43140424031203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153945612 + ... + 154225588.

It is an arithmetic number, because the mean of its divisors is an integer number (738996191451).

Almost surely, 2^{43140424031200} is an apocalyptic number.

43140424031200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43140424031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53207725784472).

43140424031200 is an abundant number, since it is smaller than the sum of its proper divisors (63275027537744).

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

43140424031200 is a wasteful number, since it uses less digits than its factorization.

43140424031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282005 (or 281992 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43140424031200 its reverse (213042404134), we get a palindrome (43353466435334).

The spelling of 43140424031200 in words is "forty-three trillion, one hundred forty billion, four hundred twenty-four million, thirty-one thousand, two hundred".