33432220042 has 8 divisors (see below), whose sum is σ = 54005893956. Its totient is φ = 15430255392.

The previous prime is 33432220039. The next prime is 33432220049. The reversal of 33432220042 is 24002223433.

It can be written as a sum of positive squares in 2 ways, for example, as 25863394041 + 7568826001 = 160821^2 + 86999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33432220042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33432219989 and 33432220016.

It is not an unprimeable number, because it can be changed into a prime (33432220049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642927283 + ... + 642927334.

Almost surely, 2^33432220042 is an apocalyptic number.

33432220042 is a deficient number, since it is larger than the sum of its proper divisors (20573673914).

33432220042 is a wasteful number, since it uses less digits than its factorization.

33432220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285854632.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 33432220042 its reverse (24002223433), we get a palindrome (57434443475).

The spelling of 33432220042 in words is "thirty-three billion, four hundred thirty-two million, two hundred twenty thousand, forty-two".