33540142240 has 48 divisors (see below), whose sum is σ = 86442098400. Its totient is φ = 12196414720.

The previous prime is 33540142171. The next prime is 33540142253. The reversal of 33540142240 is 4224104533.

It is a happy number.

It is a super-2 number, since 2×33540142240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33540142199 and 33540142208.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9526690 + ... + 9530209.

It is an arithmetic number, because the mean of its divisors is an integer number (1800877050).

Almost surely, 2^33540142240 is an apocalyptic number.

It is an amenable number.

33540142240 is an abundant number, since it is smaller than the sum of its proper divisors (52901956160).

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

33540142240 is a wasteful number, since it uses less digits than its factorization.

33540142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19056925 (or 19056917 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 33540142240 its reverse (4224104533), we get a palindrome (37764246773).

The spelling of 33540142240 in words is "thirty-three billion, five hundred forty million, one hundred forty-two thousand, two hundred forty".