33011413440 has 112 divisors (see below), whose sum is σ = 105086066688. Its totient is φ = 8779961344.

The previous prime is 33011413423. The next prime is 33011413441. The reversal of 33011413440 is 4431411033.

It is a super-2 number, since 2×33011413440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 33011413440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33011413441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322789 + ... + 412571.

Almost surely, 2^33011413440 is an apocalyptic number.

33011413440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33011413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52543033344).

33011413440 is an abundant number, since it is smaller than the sum of its proper divisors (72074653248).

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

33011413440 is a wasteful number, since it uses less digits than its factorization.

33011413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90186 (or 90176 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33011413440 its reverse (4431411033), we get a palindrome (37442824473).

The spelling of 33011413440 in words is "thirty-three billion, eleven million, four hundred thirteen thousand, four hundred forty".