42433863784 has 32 divisors (see below), whose sum is σ = 86309221320. Its totient is φ = 19441898496.

The previous prime is 42433863751. The next prime is 42433863803. The reversal of 42433863784 is 48736833424.

It can be written as a sum of positive squares in 4 ways, for example, as 33992296900 + 8441566884 = 184370^2 + 91878^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474869 + ... + 1503364.

Almost surely, 2^42433863784 is an apocalyptic number.

It is an amenable number.

42433863784 is an abundant number, since it is smaller than the sum of its proper divisors (43875357536).

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

42433863784 is a wasteful number, since it uses less digits than its factorization.

42433863784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978389 (or 2978385 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 52.

The spelling of 42433863784 in words is "forty-two billion, four hundred thirty-three million, eight hundred sixty-three thousand, seven hundred eighty-four".