43424203240 has 32 divisors (see below), whose sum is σ = 106586681760. Its totient is φ = 15790619200.

The previous prime is 43424203183. The next prime is 43424203241. The reversal of 43424203240 is 4230242434.

It is a happy number.

It is a super-2 number, since 2×43424203240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43424203199 and 43424203208.

It is not an unprimeable number, because it can be changed into a prime (43424203241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49345246 + ... + 49346125.

It is an arithmetic number, because the mean of its divisors is an integer number (3330833805).

Almost surely, 2^43424203240 is an apocalyptic number.

43424203240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43424203240 is an abundant number, since it is smaller than the sum of its proper divisors (63162478520).

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

43424203240 is a wasteful number, since it uses less digits than its factorization.

43424203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98691393 (or 98691389 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43424203240 its reverse (4230242434), we get a palindrome (47654445674).

The spelling of 43424203240 in words is "forty-three billion, four hundred twenty-four million, two hundred three thousand, two hundred forty".