43142434020 has 144 divisors (see below), whose sum is σ = 154385107968. Its totient is φ = 9543018240.

The previous prime is 43142433959. The next prime is 43142434021. The reversal of 43142434020 is 2043424134.

It is a happy number.

43142434020 is a `hidden beast` number, since 4 + 3 + 14 + 243 + 402 + 0 = 666.

43142434020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43142434020² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43142434021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513199 + ... + 591318.

Almost surely, 2^43142434020 is an apocalyptic number.

It is an amenable number.

43142434020 is an abundant number, since it is smaller than the sum of its proper divisors (111242673948).

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

43142434020 is a wasteful number, since it uses less digits than its factorization.

43142434020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104570 (or 1104565 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43142434020 its reverse (2043424134), we get a palindrome (45185858154).

The spelling of 43142434020 in words is "forty-three billion, one hundred forty-two million, four hundred thirty-four thousand, twenty".