30400033312 has 96 divisors (see below), whose sum is σ = 66174071040. Its totient is φ = 13632030720.

The previous prime is 30400033289. The next prime is 30400033333. The reversal of 30400033312 is 21333000403.

It is a self number, because there is not a number n which added to its sum of digits gives 30400033312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19203273 + ... + 19204855.

It is an arithmetic number, because the mean of its divisors is an integer number (689313240).

Almost surely, 2^30400033312 is an apocalyptic number.

30400033312 is a gapful number since it is divisible by the number (32) 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 30400033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33087035520).

30400033312 is an abundant number, since it is smaller than the sum of its proper divisors (35774037728).

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

30400033312 is a wasteful number, since it uses less digits than its factorization.

30400033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30400033312 its reverse (21333000403), we get a palindrome (51733033715).

The spelling of 30400033312 in words is "thirty billion, four hundred million, thirty-three thousand, three hundred twelve".