30330133400 has 192 divisors, whose sum is σ = 83399424000. Its totient is φ = 10038297600.

The previous prime is 30330133387. The next prime is 30330133403. The reversal of 30330133400 is 433103303.

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 (30330133403) 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, 26864036 + ... + 26865164.

It is an arithmetic number, because the mean of its divisors is an integer number (434372000).

Almost surely, 2^30330133400 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 30330133400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41699712000).

30330133400 is an abundant number, since it is smaller than the sum of its proper divisors (53069290600).

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

30330133400 is a wasteful number, since it uses less digits than its factorization.

30330133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30330133400 its reverse (433103303), we get a palindrome (30763236703).

The spelling of 30330133400 in words is "thirty billion, three hundred thirty million, one hundred thirty-three thousand, four hundred".