33004011040040 has 64 divisors (see below), whose sum is σ = 78634104514560. Its totient is φ = 12423948805120.

The previous prime is 33004011040031. The next prime is 33004011040069. The reversal of 33004011040040 is 4004011040033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33004011039994 and 33004011040021.

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 15 ways as a sum of consecutive naturals, for example, 5643185 + ... + 9892095.

It is an arithmetic number, because the mean of its divisors is an integer number (1228657883040).

Almost surely, 2^{33004011040040} is an apocalyptic number.

It is an amenable number.

33004011040040 is an abundant number, since it is smaller than the sum of its proper divisors (45630093474520).

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

33004011040040 is a wasteful number, since it uses less digits than its factorization.

33004011040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260362 (or 4260358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33004011040040 its reverse (4004011040033), we get a palindrome (37008022080073).

The spelling of 33004011040040 in words is "thirty-three trillion, four billion, eleven million, forty thousand, forty".