43142216346 has 24 divisors (see below), whose sum is σ = 95238479700. Its totient is φ = 14109403776.

The previous prime is 43142216333. The next prime is 43142216353. The reversal of 43142216346 is 64361224134.

43142216346 is a `hidden beast` number, since 4 + 3 + 14 + 2 + 2 + 1 + 634 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36193160025 + 6949056321 = 190245^2 + 83361^2 .

It is a super-2 number, since 2×43142216346² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43142216346.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22610271 + ... + 22612178.

Almost surely, 2^43142216346 is an apocalyptic number.

43142216346 is an abundant number, since it is smaller than the sum of its proper divisors (52096263354).

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

43142216346 is a wasteful number, since it uses less digits than its factorization.

43142216346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45222510 (or 45222507 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 43142216346 in words is "forty-three billion, one hundred forty-two million, two hundred sixteen thousand, three hundred forty-six".