33004450442 has 16 divisors (see below), whose sum is σ = 51225237000. Its totient is φ = 15929625600.

The previous prime is 33004450417. The next prime is 33004450447. The reversal of 33004450442 is 24405440033.

It can be written as a sum of positive squares in 4 ways, for example, as 29532766201 + 3471684241 = 171851^2 + 58921^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (33004450447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208442 + ... + 330842.

Almost surely, 2^33004450442 is an apocalyptic number.

33004450442 is a deficient number, since it is larger than the sum of its proper divisors (18220786558).

33004450442 is a wasteful number, since it uses less digits than its factorization.

33004450442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127081.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 33004450442 its reverse (24405440033), we get a palindrome (57409890475).

The spelling of 33004450442 in words is "thirty-three billion, four million, four hundred fifty thousand, four hundred forty-two".