33030304400 has 60 divisors (see below), whose sum is σ = 80656272564. Its totient is φ = 12995520000.

The previous prime is 33030304381. The next prime is 33030304409. The reversal of 33030304400 is 440303033.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1276489984 + 31753814416 = 35728^2 + 178196^2 .

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

It is not an unprimeable number, because it can be changed into a prime (33030304409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652451 + ... + 701250.

Almost surely, 2^33030304400 is an apocalyptic number.

It is an amenable number.

33030304400 is an abundant number, since it is smaller than the sum of its proper divisors (47625968164).

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

33030304400 is a wasteful number, since it uses less digits than its factorization.

33030304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353780 (or 1353769 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 33030304400 its reverse (440303033), we get a palindrome (33470607433).

The spelling of 33030304400 in words is "thirty-three billion, thirty million, three hundred four thousand, four hundred".