43240013320 has 32 divisors (see below), whose sum is σ = 111188606400. Its totient is φ = 14825147328.

The previous prime is 43240013293. The next prime is 43240013381. The reversal of 43240013320 is 2331004234.

It is a happy number.

It is a super-3 number, since 3×43240013320³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43240013291 and 43240013300.

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, 77214030 + ... + 77214589.

It is an arithmetic number, because the mean of its divisors is an integer number (3474643950).

Almost surely, 2^43240013320 is an apocalyptic number.

43240013320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43240013320 is an abundant number, since it is smaller than the sum of its proper divisors (67948593080).

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

43240013320 is a wasteful number, since it uses less digits than its factorization.

43240013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154428637 (or 154428633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 43240013320 its reverse (2331004234), we get a palindrome (45571017554).

The spelling of 43240013320 in words is "forty-three billion, two hundred forty million, thirteen thousand, three hundred twenty".