42043633028 has 24 divisors (see below), whose sum is σ = 77979924792. Its totient is φ = 19766052864.

The previous prime is 42043633013. The next prime is 42043633031. The reversal of 42043633028 is 82033634024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35013145924 + 7030487104 = 187118^2 + 83848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229025 + ... + 369512.

It is an arithmetic number, because the mean of its divisors is an integer number (3249163533).

Almost surely, 2^42043633028 is an apocalyptic number.

It is an amenable number.

42043633028 is a deficient number, since it is larger than the sum of its proper divisors (35936291764).

42043633028 is a wasteful number, since it uses less digits than its factorization.

42043633028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599591 (or 599589 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 42043633028 in words is "forty-two billion, forty-three million, six hundred thirty-three thousand, twenty-eight".