42433221312 has 168 divisors, whose sum is σ = 128500632000. Its totient is φ = 13365854208.

The previous prime is 42433221277. The next prime is 42433221323. The reversal of 42433221312 is 21312233424.

42433221312 is a `hidden beast` number, since 4 + 2 + 433 + 2 + 213 + 12 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758064 + ... + 812112.

Almost surely, 2^42433221312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42433221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64250316000).

42433221312 is an abundant number, since it is smaller than the sum of its proper divisors (86067410688).

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

42433221312 is a wasteful number, since it uses less digits than its factorization.

42433221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54143 (or 54130 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 42433221312 its reverse (21312233424), we get a palindrome (63745454736).

The spelling of 42433221312 in words is "forty-two billion, four hundred thirty-three million, two hundred twenty-one thousand, three hundred twelve".