33642043152 has 40 divisors (see below), whose sum is σ = 86924686464. Its totient is φ = 11211940224.

The previous prime is 33642043067. The next prime is 33642043153. The reversal of 33642043152 is 25134024633.

It is a happy number.

It is a super-2 number, since 2×33642043152² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33642043153) 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, 209353 + ... + 333335.

Almost surely, 2^33642043152 is an apocalyptic number.

It is an amenable number.

33642043152 is an abundant number, since it is smaller than the sum of its proper divisors (53282643312).

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

33642043152 is a wasteful number, since it uses less digits than its factorization.

33642043152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129647 (or 129641 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 33642043152 its reverse (25134024633), we get a palindrome (58776067785).

The spelling of 33642043152 in words is "thirty-three billion, six hundred forty-two million, forty-three thousand, one hundred fifty-two".