33440354543442 has 256 divisors, whose sum is σ = 89552656097280. Its totient is φ = 8058548736000.

The previous prime is 33440354543423. The next prime is 33440354543467. The reversal of 33440354543442 is 24434545304433.

It is a super-2 number, since 2×33440354543442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33440354543391 and 33440354543400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181563123 + ... + 181747209.

It is an arithmetic number, because the mean of its divisors is an integer number (349815062880).

Almost surely, 2^{33440354543442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33440354543442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44776328048640).

33440354543442 is an abundant number, since it is smaller than the sum of its proper divisors (56112301553838).

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

33440354543442 is a wasteful number, since it uses less digits than its factorization.

33440354543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184457.

The product of its (nonzero) digits is 16588800, while the sum is 48.

Adding to 33440354543442 its reverse (24434545304433), we get a palindrome (57874899847875).

It can be divided in two parts, 334403 and 54543442, that added together give a palindrome (54877845).

The spelling of 33440354543442 in words is "thirty-three trillion, four hundred forty billion, three hundred fifty-four million, five hundred forty-three thousand, four hundred forty-two".