33540235242 has 32 divisors (see below), whose sum is σ = 69197815104. Its totient is φ = 10832659200.

The previous prime is 33540235229. The next prime is 33540235243. The reversal of 33540235242 is 24253204533.

It is a super-2 number, since 2×33540235242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33540235243) 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, 659359 + ... + 708402.

It is an arithmetic number, because the mean of its divisors is an integer number (2162431722).

Almost surely, 2^33540235242 is an apocalyptic number.

33540235242 is an abundant number, since it is smaller than the sum of its proper divisors (35657579862).

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

33540235242 is a wasteful number, since it uses less digits than its factorization.

33540235242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367894.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 33540235242 its reverse (24253204533), we get a palindrome (57793439775).

The spelling of 33540235242 in words is "thirty-three billion, five hundred forty million, two hundred thirty-five thousand, two hundred forty-two".