33013237442 has 32 divisors (see below), whose sum is σ = 51743577600. Its totient is φ = 15777115200.

The previous prime is 33013237441. The next prime is 33013237459. The reversal of 33013237442 is 24473231033.

It is a junction number, because it is equal to n+sod(n) for n = 33013237399 and 33013237408.

It is not an unprimeable number, because it can be changed into a prime (33013237441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11827067 + ... + 11829857.

It is an arithmetic number, because the mean of its divisors is an integer number (1616986800).

Almost surely, 2^33013237442 is an apocalyptic number.

33013237442 is a deficient number, since it is larger than the sum of its proper divisors (18730340158).

33013237442 is a wasteful number, since it uses less digits than its factorization.

33013237442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802.

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 33013237442 its reverse (24473231033), we get a palindrome (57486468475).

The spelling of 33013237442 in words is "thirty-three billion, thirteen million, two hundred thirty-seven thousand, four hundred forty-two".