33213402424 has 16 divisors (see below), whose sum is σ = 62597801520. Its totient is φ = 16520655360.

The previous prime is 33213402421. The next prime is 33213402451. The reversal of 33213402424 is 42420431233.

It is a super-2 number, since 2×33213402424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33213402392 and 33213402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213402421) 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, 10754092 + ... + 10757179.

It is an arithmetic number, because the mean of its divisors is an integer number (3912362595).

Almost surely, 2^33213402424 is an apocalyptic number.

It is an amenable number.

33213402424 is a deficient number, since it is larger than the sum of its proper divisors (29384399096).

33213402424 is a wasteful number, since it uses less digits than its factorization.

33213402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511470 (or 21511466 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33213402424 its reverse (42420431233), we get a palindrome (75633833657).

The spelling of 33213402424 in words is "thirty-three billion, two hundred thirteen million, four hundred two thousand, four hundred twenty-four".