42420035433 has 16 divisors (see below), whose sum is σ = 57183536960. Its totient is φ = 27969230016.

The previous prime is 42420035381. The next prime is 42420035473. The reversal of 42420035433 is 33453002424.

It is not a de Polignac number, because 42420035433 - 2¹⁴ = 42420019049 is a prime.

It is a super-2 number, since 2×42420035433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42420035433.

It is not an unprimeable number, because it can be changed into a prime (42420035473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60291 + ... + 297447.

It is an arithmetic number, because the mean of its divisors is an integer number (3573971060).

Almost surely, 2^42420035433 is an apocalyptic number.

It is an amenable number.

42420035433 is a deficient number, since it is larger than the sum of its proper divisors (14763501527).

42420035433 is a wasteful number, since it uses less digits than its factorization.

42420035433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237816.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 42420035433 its reverse (33453002424), we get a palindrome (75873037857).

The spelling of 42420035433 in words is "forty-two billion, four hundred twenty million, thirty-five thousand, four hundred thirty-three".