42401440433 has 8 divisors (see below), whose sum is σ = 46550743680. Its totient is φ = 38301241680.

The previous prime is 42401440351. The next prime is 42401440451. The reversal of 42401440433 is 33404410424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42401440433 - 2⁸ = 42401440177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42401440396 and 42401440405.

It is not an unprimeable number, because it can be changed into a prime (42401440483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12274313 + ... + 12277766.

It is an arithmetic number, because the mean of its divisors is an integer number (5818842960).

Almost surely, 2^42401440433 is an apocalyptic number.

It is an amenable number.

42401440433 is a deficient number, since it is larger than the sum of its proper divisors (4149303247).

42401440433 is a wasteful number, since it uses less digits than its factorization.

42401440433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552247.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42401440433 its reverse (33404410424), we get a palindrome (75805850857).

The spelling of 42401440433 in words is "forty-two billion, four hundred one million, four hundred forty thousand, four hundred thirty-three".