43140140030 has 32 divisors (see below), whose sum is σ = 83923172928. Its totient is φ = 15871968000.

The previous prime is 43140140027. The next prime is 43140140077. The reversal of 43140140030 is 3004104134.

It is a happy number.

It is a super-2 number, since 2×43140140030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43140139984 and 43140140011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553946 + ... + 627005.

It is an arithmetic number, because the mean of its divisors is an integer number (2622599154).

Almost surely, 2^43140140030 is an apocalyptic number.

43140140030 is a deficient number, since it is larger than the sum of its proper divisors (40783032898).

43140140030 is a wasteful number, since it uses less digits than its factorization.

43140140030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181252.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43140140030 its reverse (3004104134), we get a palindrome (46144244164).

The spelling of 43140140030 in words is "forty-three billion, one hundred forty million, one hundred forty thousand, thirty".