33040402004 has 6 divisors (see below), whose sum is σ = 57820703514. Its totient is φ = 16520201000.

The previous prime is 33040402001. The next prime is 33040402067. The reversal of 33040402004 is 40020404033.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32669839504 + 370562500 = 180748^2 + 19250^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040402001) 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 as a sum of consecutive naturals, namely, 4130050247 + ... + 4130050254.

It is an arithmetic number, because the mean of its divisors is an integer number (9636783919).

Almost surely, 2^33040402004 is an apocalyptic number.

It is an amenable number.

33040402004 is a deficient number, since it is larger than the sum of its proper divisors (24780301510).

33040402004 is a wasteful number, since it uses less digits than its factorization.

33040402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260100505 (or 8260100503 counting only the distinct ones).

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

Adding to 33040402004 its reverse (40020404033), we get a palindrome (73060806037).

The spelling of 33040402004 in words is "thirty-three billion, forty million, four hundred two thousand, four".