33045330420 has 72 divisors (see below), whose sum is σ = 100279899720. Its totient is φ = 8808360960.

The previous prime is 33045330361. The next prime is 33045330467. The reversal of 33045330420 is 2403354033.

It is a happy number.

33045330420 is a `hidden beast` number, since 3 + 304 + 5 + 330 + 4 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3925273104 + 29120057316 = 62652^2 + 170646^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401776 + ... + 476984.

It is an arithmetic number, because the mean of its divisors is an integer number (1392776385).

Almost surely, 2^33045330420 is an apocalyptic number.

33045330420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33045330420 is an abundant number, since it is smaller than the sum of its proper divisors (67234569300).

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

33045330420 is a wasteful number, since it uses less digits than its factorization.

33045330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77665 (or 77660 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 33045330420 its reverse (2403354033), we get a palindrome (35448684453).

The spelling of 33045330420 in words is "thirty-three billion, forty-five million, three hundred thirty thousand, four hundred twenty".