30340321400 has 96 divisors (see below), whose sum is σ = 71241020640. Its totient is φ = 12016220160.

The previous prime is 30340321331. The next prime is 30340321409. The reversal of 30340321400 is 412304303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340321409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12520589 + ... + 12523011.

It is an arithmetic number, because the mean of its divisors is an integer number (742093965).

Almost surely, 2^30340321400 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 30340321400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35620510320).

30340321400 is an abundant number, since it is smaller than the sum of its proper divisors (40900699240).

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

30340321400 is a wasteful number, since it uses less digits than its factorization.

30340321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30340321400 its reverse (412304303), we get a palindrome (30752625703).

The spelling of 30340321400 in words is "thirty billion, three hundred forty million, three hundred twenty-one thousand, four hundred".