42133434340 has 24 divisors (see below), whose sum is σ = 90638267832. Its totient is φ = 16442315520.

The previous prime is 42133434319. The next prime is 42133434341. The reversal of 42133434340 is 4343433124.

It can be written as a sum of positive squares in 4 ways, for example, as 1461838756 + 40671595584 = 38234^2 + 201672^2 .

It is not an unprimeable number, because it can be changed into a prime (42133434341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25690299 + ... + 25691938.

It is an arithmetic number, because the mean of its divisors is an integer number (3776594493).

Almost surely, 2^42133434340 is an apocalyptic number.

It is an amenable number.

42133434340 is an abundant number, since it is smaller than the sum of its proper divisors (48504833492).

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

42133434340 is a wasteful number, since it uses less digits than its factorization.

42133434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51382287 (or 51382285 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 42133434340 its reverse (4343433124), we get a palindrome (46476867464).

The spelling of 42133434340 in words is "forty-two billion, one hundred thirty-three million, four hundred thirty-four thousand, three hundred forty".