30334202343440 has 160 divisors (see below), whose sum is σ = 75774571545600. Its totient is φ = 11267807201280.

The previous prime is 30334202343397. The next prime is 30334202343481. The reversal of 30334202343440 is 4434320243303.

It is a super-2 number, since 2×30334202343440² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30334202343440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10429166 + ... + 13016754.

It is an arithmetic number, because the mean of its divisors is an integer number (473591072160).

Almost surely, 2^{30334202343440} 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 30334202343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37887285772800).

30334202343440 is an abundant number, since it is smaller than the sum of its proper divisors (45440369202160).

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

30334202343440 is a wasteful number, since it uses less digits than its factorization.

30334202343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587825 (or 2587819 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 35.

Adding to 30334202343440 its reverse (4434320243303), we get a palindrome (34768522586743).

The spelling of 30334202343440 in words is "thirty trillion, three hundred thirty-four billion, two hundred two million, three hundred forty-three thousand, four hundred forty".