33142204340 has 96 divisors (see below), whose sum is σ = 79970042880. Its totient is φ = 11301986304.

The previous prime is 33142204297. The next prime is 33142204349. The reversal of 33142204340 is 4340224133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142204349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33921932 + ... + 33922908.

It is an arithmetic number, because the mean of its divisors is an integer number (833021280).

Almost surely, 2^33142204340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33142204340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39985021440).

33142204340 is an abundant number, since it is smaller than the sum of its proper divisors (46827838540).

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

33142204340 is a wasteful number, since it uses less digits than its factorization.

33142204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33142204340 its reverse (4340224133), we get a palindrome (37482428473).

The spelling of 33142204340 in words is "thirty-three billion, one hundred forty-two million, two hundred four thousand, three hundred forty".