33120442540000 has 60 divisors (see below), whose sum is σ = 81481256763984. Its totient is φ = 13248177008000.

The previous prime is 33120442539971. The next prime is 33120442540039. The reversal of 33120442540000 is 4524402133.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 827991064 + ... + 828031063.

Almost surely, 2^{33120442540000} is an apocalyptic number.

It is an amenable number.

33120442540000 is an abundant number, since it is smaller than the sum of its proper divisors (48360814223984).

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

33120442540000 is an equidigital number, since it uses as much as digits as its factorization.

33120442540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656022157 (or 1656022134 counting only the distinct ones).

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

Adding to 33120442540000 its reverse (4524402133), we get a palindrome (33124966942133).

The spelling of 33120442540000 in words is "thirty-three trillion, one hundred twenty billion, four hundred forty-two million, five hundred forty thousand".