33020400044 has 12 divisors (see below), whose sum is σ = 57807256584. Its totient is φ = 16504041024.

The previous prime is 33020400037. The next prime is 33020400053. The reversal of 33020400044 is 44000402033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33020399989 and 33020400025.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1527677 + ... + 1549140.

It is an arithmetic number, because the mean of its divisors is an integer number (4817271382).

Almost surely, 2^33020400044 is an apocalyptic number.

It is an amenable number.

33020400044 is a deficient number, since it is larger than the sum of its proper divisors (24786856540).

33020400044 is a wasteful number, since it uses less digits than its factorization.

33020400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079504 (or 3079502 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 33020400044 its reverse (44000402033), we get a palindrome (77020802077).

The spelling of 33020400044 in words is "thirty-three billion, twenty million, four hundred thousand, forty-four".