42424421333 has 24 divisors (see below), whose sum is σ = 50176521792. Its totient is φ = 35760387264.

The previous prime is 42424421327. The next prime is 42424421359. The reversal of 42424421333 is 33312442424.

42424421333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42424421333 - 2¹⁰ = 42424420309 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42424421333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424421933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688760 + ... + 747822.

It is an arithmetic number, because the mean of its divisors is an integer number (2090688408).

Almost surely, 2^42424421333 is an apocalyptic number.

It is an amenable number.

42424421333 is a deficient number, since it is larger than the sum of its proper divisors (7752100459).

42424421333 is a wasteful number, since it uses less digits than its factorization.

42424421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59321 (or 59314 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 42424421333 its reverse (33312442424), we get a palindrome (75736863757).

The spelling of 42424421333 in words is "forty-two billion, four hundred twenty-four million, four hundred twenty-one thousand, three hundred thirty-three".