33343021040 has 80 divisors (see below), whose sum is σ = 88721464320. Its totient is φ = 11415855360.

The previous prime is 33343021037. The next prime is 33343021057. The reversal of 33343021040 is 4012034333.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33343021040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33343020997 and 33343021015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361235 + ... + 444045.

It is an arithmetic number, because the mean of its divisors is an integer number (1109018304).

Almost surely, 2^33343021040 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 33343021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44360732160).

33343021040 is an abundant number, since it is smaller than the sum of its proper divisors (55378443280).

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

33343021040 is a wasteful number, since it uses less digits than its factorization.

33343021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83550 (or 83544 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33343021040 its reverse (4012034333), we get a palindrome (37355055373).

The spelling of 33343021040 in words is "thirty-three billion, three hundred forty-three million, twenty-one thousand, forty".