33400033328 has 20 divisors (see below), whose sum is σ = 65531713440. Its totient is φ = 16488623424.

The previous prime is 33400033327. The next prime is 33400033333. The reversal of 33400033328 is 82333000433.

It is a happy number.

It is a super-2 number, since 2×33400033328² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33400033328.

It is not an unprimeable number, because it can be changed into a prime (33400033327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13210775 + ... + 13213302.

It is an arithmetic number, because the mean of its divisors is an integer number (3276585672).

Almost surely, 2^33400033328 is an apocalyptic number.

It is an amenable number.

33400033328 is a deficient number, since it is larger than the sum of its proper divisors (32131680112).

33400033328 is a wasteful number, since it uses less digits than its factorization.

33400033328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424164 (or 26424158 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The spelling of 33400033328 in words is "thirty-three billion, four hundred million, thirty-three thousand, three hundred twenty-eight".