33440414412 has 48 divisors (see below), whose sum is σ = 78891950592. Its totient is φ = 11023588800.

The previous prime is 33440414411. The next prime is 33440414443. The reversal of 33440414412 is 21441404433.

It is a super-2 number, since 2×33440414412² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33440414412.

It is not an unprimeable number, because it can be changed into a prime (33440414411) 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, 1054573 + ... + 1085819.

It is an arithmetic number, because the mean of its divisors is an integer number (1643582304).

Almost surely, 2^33440414412 is an apocalyptic number.

It is an amenable number.

33440414412 is an abundant number, since it is smaller than the sum of its proper divisors (45451536180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33440414412 is a wasteful number, since it uses less digits than its factorization.

33440414412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32238 (or 32236 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 33440414412 its reverse (21441404433), we get a palindrome (54881818845).

The spelling of 33440414412 in words is "thirty-three billion, four hundred forty million, four hundred fourteen thousand, four hundred twelve".