43140403430 has 16 divisors (see below), whose sum is σ = 82220533920. Its totient is φ = 16241092992.

The previous prime is 43140403429. The next prime is 43140403457. The reversal of 43140403430 is 3430404134.

It is a super-2 number, since 2×43140403430² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43140403430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126883370 + ... + 126883709.

It is an arithmetic number, because the mean of its divisors is an integer number (5138783370).

Almost surely, 2^43140403430 is an apocalyptic number.

43140403430 is a deficient number, since it is larger than the sum of its proper divisors (39080130490).

43140403430 is a wasteful number, since it uses less digits than its factorization.

43140403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253767103.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43140403430 its reverse (3430404134), we get a palindrome (46570807564).

The spelling of 43140403430 in words is "forty-three billion, one hundred forty million, four hundred three thousand, four hundred thirty".