2033400028 has 24 divisors (see below), whose sum is σ = 3889614960. Its totient is φ = 922446720.

The previous prime is 2033400001. The next prime is 2033400029. The reversal of 2033400028 is 8200043302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2033399981 and 2033400008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033400029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23001 + ... + 67792.

It is an arithmetic number, because the mean of its divisors is an integer number (162067290).

Almost surely, 2^2033400028 is an apocalyptic number.

It is an amenable number.

2033400028 is a deficient number, since it is larger than the sum of its proper divisors (1856214932).

2033400028 is a wasteful number, since it uses less digits than its factorization.

2033400028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91317 (or 91315 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2033400028 is about 45093.2370539086. The cubic root of 2033400028 is about 1266.8959323079.

The spelling of 2033400028 in words is "two billion, thirty-three million, four hundred thousand, twenty-eight".