42003433305 has 96 divisors (see below), whose sum is σ = 76983274368. Its totient is φ = 21965644800.

The previous prime is 42003433301. The next prime is 42003433309. The reversal of 42003433305 is 50333430024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42003433301) and next prime (42003433309).

It is not a de Polignac number, because 42003433305 - 2² = 42003433301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42003433301) 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 95 ways as a sum of consecutive naturals, for example, 19617535 + ... + 19619675.

It is an arithmetic number, because the mean of its divisors is an integer number (801909108).

Almost surely, 2^42003433305 is an apocalyptic number.

42003433305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42003433305 is a deficient number, since it is larger than the sum of its proper divisors (34979841063).

42003433305 is a wasteful number, since it uses less digits than its factorization.

42003433305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 42003433305 its reverse (50333430024), we get a palindrome (92336863329).

The spelling of 42003433305 in words is "forty-two billion, three million, four hundred thirty-three thousand, three hundred five".