33230430204240 has 160 divisors (see below), whose sum is σ = 103607944667136. Its totient is φ = 8810407895040.

The previous prime is 33230430204203. The next prime is 33230430204247. The reversal of 33230430204240 is 4240203403233.

It is a super-2 number, since 2×33230430204240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33230430204198 and 33230430204207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230430204247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188311089 + ... + 188487471.

Almost surely, 2^{33230430204240} is an apocalyptic number.

33230430204240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33230430204240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51803972333568).

33230430204240 is an abundant number, since it is smaller than the sum of its proper divisors (70377514462896).

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

33230430204240 is a wasteful number, since it uses less digits than its factorization.

33230430204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180917 (or 180911 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 33230430204240 its reverse (4240203403233), we get a palindrome (37470633607473).

The spelling of 33230430204240 in words is "thirty-three trillion, two hundred thirty billion, four hundred thirty million, two hundred four thousand, two hundred forty".