33090069871840 has 144 divisors (see below), whose sum is σ = 81740292476976. Its totient is φ = 12657713868800.

The previous prime is 33090069871829. The next prime is 33090069871871. The reversal of 33090069871840 is 4817896009033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399544035 + ... + 399626845.

It is an arithmetic number, because the mean of its divisors is an integer number (567640919979).

Almost surely, 2^{33090069871840} 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 33090069871840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40870146238488).

33090069871840 is an abundant number, since it is smaller than the sum of its proper divisors (48650222605136).

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

33090069871840 is a wasteful number, since it uses less digits than its factorization.

33090069871840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87593 (or 87562 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 33090069871840 in words is "thirty-three trillion, ninety billion, sixty-nine million, eight hundred seventy-one thousand, eight hundred forty".