33440220052 has 12 divisors (see below), whose sum is σ = 58521687840. Its totient is φ = 16719737816.

The previous prime is 33440220049. The next prime is 33440220059. The reversal of 33440220052 is 25002204433.

It is a super-2 number, since 2×33440220052² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33440219999 and 33440220026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440220059) 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, 247899 + ... + 358237.

It is an arithmetic number, because the mean of its divisors is an integer number (4876807320).

Almost surely, 2^33440220052 is an apocalyptic number.

It is an amenable number.

33440220052 is a deficient number, since it is larger than the sum of its proper divisors (25081467788).

33440220052 is a wasteful number, since it uses less digits than its factorization.

33440220052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186110 (or 186108 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 33440220052 its reverse (25002204433), we get a palindrome (58442424485).

The spelling of 33440220052 in words is "thirty-three billion, four hundred forty million, two hundred twenty thousand, fifty-two".