33210401340340 has 144 divisors (see below), whose sum is σ = 86703330305088. Its totient is φ = 10616477684736.

The previous prime is 33210401340293. The next prime is 33210401340343. The reversal of 33210401340340 is 4304310401233.

It is a super-2 number, since 2×33210401340340² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 33210401340299 and 33210401340308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33210401340343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7532434 + ... + 11097673.

It is an arithmetic number, because the mean of its divisors is an integer number (602106460452).

Almost surely, 2^{33210401340340} is an apocalyptic number.

It is an amenable number.

33210401340340 is an abundant number, since it is smaller than the sum of its proper divisors (53492928964748).

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

33210401340340 is a wasteful number, since it uses less digits than its factorization.

33210401340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630254 (or 18630245 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33210401340340 its reverse (4304310401233), we get a palindrome (37514711741573).

The spelling of 33210401340340 in words is "thirty-three trillion, two hundred ten billion, four hundred one million, three hundred forty thousand, three hundred forty".