43422731568 has 60 divisors (see below), whose sum is σ = 121575170080. Its totient is φ = 14468070528.

The previous prime is 43422731551. The next prime is 43422731623. The reversal of 43422731568 is 86513722434.

43422731568 is a `hidden beast` number, since 4 + 3 + 422 + 73 + 156 + 8 = 666.

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, 280905 + ... + 407127.

Almost surely, 2^43422731568 is an apocalyptic number.

43422731568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43422731568 is an abundant number, since it is smaller than the sum of its proper divisors (78152438512).

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

43422731568 is a wasteful number, since it uses less digits than its factorization.

43422731568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128626 (or 128617 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 43422731568 in words is "forty-three billion, four hundred twenty-two million, seven hundred thirty-one thousand, five hundred sixty-eight".