33124320242 has 16 divisors (see below), whose sum is σ = 56656077912. Its totient is φ = 14388844800.

The previous prime is 33124320233. The next prime is 33124320269. The reversal of 33124320242 is 24202342133.

It can be written as a sum of positive squares in 4 ways, for example, as 30157448281 + 2966871961 = 173659^2 + 54469^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37470509 + ... + 37471392.

Almost surely, 2^33124320242 is an apocalyptic number.

33124320242 is a deficient number, since it is larger than the sum of its proper divisors (23531757670).

33124320242 is a wasteful number, since it uses less digits than its factorization.

33124320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74941933.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33124320242 its reverse (24202342133), we get a palindrome (57326662375).

The spelling of 33124320242 in words is "thirty-three billion, one hundred twenty-four million, three hundred twenty thousand, two hundred forty-two".